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As the importance of renewable energy sources becomes more and more apparent, look to our top-quality journals for cutting-edge reports on solar cell and photovoltaic research.

In May 2007 the Institute for Scientific Information listed the Top 20 Most Cited Papers on Solar Cells, with papers published in Advanced Functional Materials number one on both lists:

Most cited paper (1997-2007):

Most cited paper (2005-2007):

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Wet Imprinting of Channel-Type Superstructures in Nanostructured Titania Thin Films at Low Temperatures for Hybrid Solar Cells

Wet Imprinting of Channel‐Type Superstructures in Nanostructured Titania Thin Films at Low Temperatures for Hybrid Solar Cells

Channel surfing: Hierarchically structured titania films are fabricated at low temperatures. Channeled superstructures are combined with mesoporous titania films, which causes additional light scattering. The enhanced light absorption in the imprinted active layers enables the short-circuit current in the hybrid solar cells to be improved.

[Full Paper]
Lin Song, Tianyi Wang, Volker Körstgens, Weijia Wang, Nitin Saxena, Christoph J. Schaffer, Thomas Fröschl, Nicola Hüsing, Sigrid Bernstorff, Peter Müller-Buschbaum
ChemSusChem, March 15, 2018, https://doi.org/10.1002/cssc.201800129 Read article

Scrutinizing Defects and Defect Density of Selenium-Doped Graphene for High-Efficiency Triiodide Reduction in Dye-Sensitized Solar Cells

Scrutinizing Defects and Defect Density of Selenium‐Doped Graphene for High‐Efficiency Triiodide Reduction in Dye‐Sensitized Solar Cells

Going solar: Active-site-enriched selenium-doped graphene (SeG) was crafted by ball-milling followed by high-temperature annealing. The SeG formed at 900 °C (SeG-900) as an electrocatalyst for DSSCs delivered a high efficiency of 8.42 %, outperforming the Pt reference (7.88 %). The high electrocatalytic activity can be ascribed to the reduced ionization energy owing to the incorporation of Se species and improved charge transfer capability.

[Communication]
Xiangtong Meng, Chang Yu, Xuedan Song, James Iocozzia, Jiafu Hong, Matthew Rager, Huile Jin, Shun Wang, Longlong Huang, Jieshan Qiu, Zhiqun Lin
Angew. Chem. Int. Ed., March 15, 2018, https://doi.org/10.1002/anie.201801337 Read article

Donor–Acceptor–Acceptor's Molecules for Vacuum-Deposited Organic Photovoltaics with Efficiency Exceeding 9%

Donor–Acceptor–Acceptor's Molecules for Vacuum‐Deposited Organic Photovoltaics with Efficiency Exceeding 9%

Three vacuum-deposited donor–acceptor–acceptor's small molecule donors with different alkyl chain configurations (R1–R3) are synthesized and characterized to understand the side chain effect on organic photovoltaic (OPV) performance. The donor with an isobutyl (R3) chain yields the highest crystal packing density and largest short circuit current among the three molecules. Its preferred face-on molecular stacking orientation on the substrate leads to the highest fill factor. The optimized OPV structure achieves a power conversion efficiency (PCE) = 9.3 ± 0.5%.

[Full Paper]
Xiaozhou Che, Chin-Lung Chung, Chou-Chun Hsu, Feng Liu, Ken-Tsung Wong, Stephen R. Forrest
Adv. Energy Mater., March 15, 2018, https://doi.org/10.1002/aenm.201703603 Read article

What Makes a Good Solar Cell?

What Makes a Good Solar Cell?

This progress report explains how microscopic properties of solar cell absorber materials affect properties such as absorption coefficient, mobility, and charge carrier lifetime and how these properties affect photovoltaic performance. The report provides the necessary theoretical background to describe solar cells on different levels of abstraction which helps our understanding of what makes some materials good solar cell materials.

[Progress Report]
Thomas Kirchartz, Uwe Rau
Adv. Energy Mater., March 15, 2018, https://doi.org/10.1002/aenm.201703385 Read article

In Situ Passivation for Efficient PbS Quantum Dot Solar Cells by Precursor Engineering

In Situ Passivation for Efficient PbS Quantum Dot Solar Cells by Precursor Engineering

Light is shed on the effects of lead precursors on the performance of lead sulfide quantum dot (PbS QD) solar cells. The efficiency of PbS QDs synthesized from PbAc is significantly higher than that from PbO and the mechanism underneath is investigated. A new avenue is opened to improve the performance of PbS QD photovoltaic devices by lead precursor engineering.

[Communication]
Yongjie Wang, Kunyuan Lu, Lu Han, Zeke Liu, Guozheng Shi, Honghua Fang, Si Chen, Tian Wu, Fan Yang, Mengfan Gu, Sijie Zhou, Xufeng Ling, Xun Tang, Jiawei Zheng, Maria Antonietta Loi, Wanli Ma
Adv. Mater., March 15, 2018, https://doi.org/10.1002/adma.201704871 Read article

Isomeric N-Annulated Perylene Diimide Dimers for Organic Solar Cells

Isomeric N‐Annulated Perylene Diimide Dimers for Organic Solar Cells

A thing or two about solar cells: Two isomeric N-annulated perylene diimide dimers with distinct molecular geometry and packing arrangements were developed. Blended with the commercially available donor PCE-10, the dimers showed distinct differences in photovoltaic performance.

[Communication]
Zetong Ma, Huiting Fu, Dong Meng, Wei Jiang, Yanming Sun, Zhaohui Wang
Chem. Asian J., March 14, 2018, https://doi.org/10.1002/asia.201800058 Read article

Thermodynamically Self-Healing 1D–3D Hybrid Perovskite Solar Cells

Thermodynamically Self‐Healing 1D–3D Hybrid Perovskite Solar Cells

1D–3D hybrid perovskite is applied as absorber in a solar cell for the first time with remarkable thermodynamic self-healing capability. The power conversion efficiency of as-fabricated unencapsulated 1D–3D perovskite solar cells is demonstrated to be reversible under temperature cycling (25–85 °C) at 55% relative humidity, which largely outperforms the pure 3D perovskite solar cell.

[Communication]
Jiandong Fan, Yunping Ma, Cuiling Zhang, Chong Liu, Wenzhe Li, Ruud E. I. Schropp, Yaohua Mai
Adv. Energy Mater., March 14, 2018, https://doi.org/10.1002/aenm.201703421 Read article

Lithium-Ion Endohedral Fullerene (Li+@C60) Dopants in Stable Perovskite Solar Cells Induce Instant Doping and Anti-Oxidation

Lithium‐Ion Endohedral Fullerene (Li+@C60) Dopants in Stable Perovskite Solar Cells Induce Instant Doping and Anti‐Oxidation

Air stability remains the most challenging limitation to commercialization of perovskite solar cells. Use of conventional Li+TFSI dopants lead to instability because of its hygroscopic nature. Using a fullerene-encapsulated Li+@C60 TFSI dopant gives a 10-fold enhancement of the air-stability of perovskite solar cells, through the dopant's hydrophobic nature, instant oxidation of spiro-MeOTAD, and anti-oxidation activity.

[Communication]
Il Jeon, Hiroshi Ueno, Seungju Seo, Kerttu Aitola, Ryosuke Nishikubo, Akinori Saeki, Hiroshi Okada, Gerrit Boschloo, Shigeo Maruyama, Yutaka Matsuo
Angew. Chem. Int. Ed., March 13, 2018, https://doi.org/10.1002/anie.201800816 Read article

Dye-Incorporated Polynaphthalenediimide Acceptor for Additive-Free High-Performance All-Polymer Solar Cells

Dye‐Incorporated Polynaphthalenediimide Acceptor for Additive‐Free High‐Performance All‐Polymer Solar Cells

A rhodamine-based dye molecule was imbedded into a naphthalene diimide-containing polymer acceptor by simple random copolymerization to simultaneously improve the light absorption coefficient, raise the lowest unoccupied molecular orbital level and reduce crystallization. All-polymer solar cells with this acceptor achieve a power conversion efficiency (PCE) of 8.13 %.

[Communication]
Dong Chen, Jia Yao, Lie Chen, Jingping Yin, Ruizhi Lv, Bin Huang, Siqi Liu, Zhi-Guo Zhang, Chunhe Yang, Yiwang Chen, Yongfang Li
Angew. Chem. Int. Ed., March 13, 2018, https://doi.org/10.1002/anie.201800035 Read article

Recombination Losses Above and Below the Transport Percolation Threshold in Bulk Heterojunction Organic Solar Cells

Recombination Losses Above and Below the Transport Percolation Threshold in Bulk Heterojunction Organic Solar Cells

By varying the fullerene fraction above and below the electron percolation threshold in the model high efficiency OPV system PTB7:PC71BM, the importance of electric-field-dependent first-order losses is shown. The results also shed light on the limitations of widely used and accepted transport models below the percolation threshold of the bulk heterojunction system.

[Full Paper]
Aren Yazmaciyan, Martin Stolterfoht, Paul L. Burn, Qianqian Lin, Paul Meredith, Ardalan Armin
Adv. Energy Mater., March 13, 2018, https://doi.org/10.1002/aenm.201703339 Read article

Morphology Control in Organic Solar Cells

Morphology Control in Organic Solar Cells

Morphology of the bulk heterojunction organic solar cells is very important but very complicated. This review summarizes and discusses morphology characterization as well as morphology control.

[Review]
Fuwen Zhao, Chunru Wang, Xiaowei Zhan
Adv. Energy Mater., March 13, 2018, https://doi.org/10.1002/aenm.201703147 Read article

Thermally Stable All-Polymer Solar Cells with High Tolerance on Blend Ratios

Thermally Stable All‐Polymer Solar Cells with High Tolerance on Blend Ratios

Based on two representative and high performance organic nonfullerene bulk heterojunction blends, PBDB-T:ITIC and PBDB-T:N2200, the effect of blend ratio on device performance and the relevant device stability is investigated in-depth. Solar cell devices incorporating polymer–polymer blends exhibit stable device performance in a wide range of blend ratios and excellent stability under dark and thermal stress.

[Full Paper]
Yannan Zhang, Yalong Xu, Michael J. Ford, Fangchao Li, Jianxia Sun, Xufeng Ling, Yongjie Wang, Jinan Gu, Jianyu Yuan, Wanli Ma
Adv. Energy Mater., March 12, 2018, https://doi.org/10.1002/aenm.201800029 Read article

Fused-Ring Electron Acceptor ITIC-Th: A Novel Stabilizer for Halide Perovskite Precursor Solution

Fused‐Ring Electron Acceptor ITIC‐Th: A Novel Stabilizer for Halide Perovskite Precursor Solution

Herein, the authors report a novel route to greatly enhance the long-term stability of perovskite precursor solutions by incorporating a non-fullerene small molecule ITIC-Th. The device fabricated from a 39-day aged precursor solution with ITIC-Th remains at a relatively high efficiency, exceeding 16%, while the device from a 39-day precursor solution without ITIC-Th only shows a PCE of 1.76%.

[Full Paper]
Minchao Qin, Jie Cao, Tiankai Zhang, Jiangquan Mai, Tsz-Ki Lau, Shu Zhou, Yang Zhou, Jiayu Wang, Yao-Jane Hsu, Ni Zhao, Jianbin Xu, Xiaowei Zhan, Xinhui Lu
Adv. Energy Mater., March 12, 2018, https://doi.org/10.1002/aenm.201703399 Read article

Dithieno[3,2-b:2′,3′-d]pyrrol Fused Nonfullerene Acceptors Enabling Over 13% Efficiency for Organic Solar Cells

Dithieno[3,2‐b:2′,3′‐d]pyrrol Fused Nonfullerene Acceptors Enabling Over 13% Efficiency for Organic Solar Cells

Nonfullerene acceptors (NFAs) featuring indacenobis-(dithieno[3,2-b:2′,3′-d]pyrrol) as an electron-rich central building block are designed. The NFAs extend absorption to 900 nm with an optical bandgap of 1.39 eV. Organic solar cells (OSCs), by blending with PBDB-T as polymer donor, contribute a power conversion efficiency of 13.13%, which is among the highest reported for binary OSCs in the literature.

[Communication]
Jia Sun, Xiaoling Ma, Zhuohan Zhang, Jiangsheng Yu, Jie Zhou, Xinxing Yin, Linqiang Yang, Renyong Geng, Rihong Zhu, Fujun Zhang, Weihua Tang
Adv. Mater., March 12, 2018, https://doi.org/10.1002/adma.201707150 Read article

Stable High-Performance Perovskite Solar Cells via Grain Boundary Passivation

Stable High‐Performance Perovskite Solar Cells via Grain Boundary Passivation

Introducing semiconducting molecules with Lewis acid or base functional groups into a sol–gel MAPbI3 film promotes uniform decoration of grain boundaries within the bulk film. These molecules holistically passivate under-coordinated Pb2+ vacancies or Pb–I antisite defects, leading to significant enhancements of the power conversion efficiency as well as improved environmental and thermal stability of solar cells.

[Communication]
Tianqi Niu, Jing Lu, Rahim Munir, Jianbo Li, Dounya Barrit, Xu Zhang, Hanlin Hu, Zhou Yang, Aram Amassian, Kui Zhao, Shengzhong (Frank) Liu
Adv. Mater., March 12, 2018, https://doi.org/10.1002/adma.201706576 Read article

Influence of Solvent Additive 1,8-Octanedithiol on P3HT:PCBM Solar Cells

Influence of Solvent Additive 1,8‐Octanedithiol on P3HT:PCBM Solar Cells

The function of 1,8-octanedithiol (ODT) on polymer:fullerene bulk heterojunction systems is comprehensively studied for the well-established model system poly(3-hexylthiophene-2,5-diyl):[6,6]-phenyl-C61 butyric acid methyl ester. Besides the positive influence of ODT on crystallinity and surface morphology, the influence on the molecular miscibility between polymer and fullerene is probed, providing a complete correlation between morphology and solar cell efficiency.

[Full Paper]
Weijia Wang, Lin Song, David Magerl, Daniel Moseguí González, Volker Körstgens, Martine Philipp, Jean-François Moulin, Peter Müller-Buschbaum
Adv. Funct. Mater., March 12, 2018, https://doi.org/10.1002/adfm.201800209 Read article

Tunable Carrier Concentration of NaF-Treated CIGS Solar Cells Using Heat–Light Soaking and Subsequent Heating

Tunable Carrier Concentration of NaF‐Treated CIGS Solar Cells Using Heat–Light Soaking and Subsequent Heating

Net carrier concentration (NCV) of NaF-treated CIGS solar cells significantly increases together with a narrower space charge region (SCR) after heat-light soaking (HLS). However, NCV is reduced by heat-soaking (HS), thereby slightly widening the SCR. This result implies that NCV of NaF-treated CIGS solar cells can be tuned to an adequate value by the HLS/HS process.

[Rapid Research Letter]
Junpei Matsuura, Kosuke Shudo, Ishwor Khatri, Mutsumi Sugiyama, Tokio Nakada
Phys. Status Solidi RRL, March 08, 2018, https://doi.org/10.1002/pssr.201800053 Read article

A Nonconjugated Zwitterionic Polymer: Cathode Interfacial Layer Comparable with PFN for Narrow-Bandgap Polymer Solar Cells

A Nonconjugated Zwitterionic Polymer: Cathode Interfacial Layer Comparable with PFN for Narrow‐Bandgap Polymer Solar Cells

Nonconjugated zwitterionic polymer poly(sulfobetaine methacrylate) is applied as cathode interfacial layer in narrow-bandgap polymer solar cells (PSCs) based on PTB7-Th:PC71BM. Due to the strong dipole moment and orthogonal solubility, this polymer leads to a calibrated power conversion efficiency as high as 8.27%, which is comparable with that of the PSCs based on the well-known poly[(9,9-bis(30-(N,N-dimethylamino)propyl)-2,7-fluorene)-alt-2,7-(9,9-ioctylfluorene)] (7.87%).

[Communication]
Zhendong Li, Qiaoyun Chen, Yanfeng Liu, Lan Ding, Kaicheng Zhang, Kai Zhu, Ligang Yuan, Bin Dong, Yi Zhou, Bo Song
Macromol. Rapid Commun., March 08, 2018, https://doi.org/10.1002/marc.201700828 Read article

High-Efficiency and UV-Stable Planar Perovskite Solar Cells Using a Low-Temperature, Solution-Processed Electron-Transport Layer

High‐Efficiency and UV‐Stable Planar Perovskite Solar Cells Using a Low‐Temperature, Solution‐Processed Electron‐Transport Layer

Going strong: A low-temperature, solution-processed Li–bis(trifluoromethanesulfonyl)imide-doped C60 (Li-C60) electron-transport layer is applied for high-efficiency and UV-stable planar perovskite solar cells with an n-i-p architecture. The use of Li-C60 ensures a better energy match between the active layer and the cathode, considerably enhances the electron mobility of the electron-transport layer, and improves crystallization of the perovskite active layer. Replacing TiO2 with Li-C60 also results in a device that is much more stable under UV light in air.

[Full Paper]
Cheng Liu, Yi Yang, Yong Ding, Jia Xu, Xiaolong Liu, Bing Zhang, Jianxi Yao, Tasawar Hayat, Ahmed Alsaedi, Songyuan Dai
ChemSusChem, March 08, 2018, https://doi.org/10.1002/cssc.201702248 Read article

Photoanode for Aqueous Dye-Sensitized Solar Cells based on a Novel Multicomponent Thin Film

Photoanode for Aqueous Dye‐Sensitized Solar Cells based on a Novel Multicomponent Thin Film

Apply some Prussia: Prussian blue (PB) is applied as a sensitizer in a photoanode for dye-sensitized solar cells, and a new method is developed for the synthesis of a carbon nanotubes (CNTs)/TiO2/PB nanocomposite thin film. The photoresponse of the thin-film composite is evaluated in a fully aqueous electrolyte, and photocurrents of 600 μA cm−2 are achieved.

[Full Paper]
Samantha Husmann, Lucas F. Lima, Lucimara S. Roman, Aldo J. G. Zarbin
ChemSusChem, March 08, 2018, https://doi.org/10.1002/cssc.201702218 Read article

Efficient and Stable Perovskite Solar Cells via Dual Functionalization of Dopamine Semiquinone Radical with Improved Trap Passivation Capabilities

Efficient and Stable Perovskite Solar Cells via Dual Functionalization of Dopamine Semiquinone Radical with Improved Trap Passivation Capabilities

The power output and operation lifetime of inverted perovskite solar cells (PVSCs) can be simultaneously improved by incorporating dopamine-copolymerized poly(3,4-ethylenedioxythiophene):polystyrene sulfonate (DA-PEDOT:PSS). The higher radical content and stronger surface trap passivation capability of DA-PEDOT:PSS relative to PEDOT:PSS enhance photovoltaic performance and suppress charge recombination loss, leading to highly efficient and stable PVSCs with a power conversion efficiency of 18.5% (V oc: 1.08 V).

[Full Paper]
Qifan Xue, Meiyue Liu, Zhenchao Li, Lei Yan, Zhicheng Hu, Jiawen Zhou, Wenqiang Li, Xiao-Fang Jiang, Baomin Xu, Fei Huang, Yuan Li, Hin-Lap Yip, Yong Cao
Adv. Funct. Mater., March 08, 2018, https://doi.org/10.1002/adfm.201707444 Read article

Balanced Partnership between Donor and Acceptor Components in Nonfullerene Organic Solar Cells with >12% Efficiency

Balanced Partnership between Donor and Acceptor Components in Nonfullerene Organic Solar Cells with >12% Efficiency

High-performance fullerene-free single-junction organic solar cells with power conversion efficiencies up to 12.5% are reported. Transient absorption spectroscopy reveals that exciting either the donor or acceptor component efficiently generates mobile charges, which do not suffer from recombination to triplet states.

[Communication]
Yuze Lin, Fuwen Zhao, Shyamal K. K. Prasad, Jing-De Chen, Wanzhu Cai, Qianqian Zhang, Kai Chen, Yang Wu, Wei Ma, Feng Gao, Jian-Xin Tang, Chunru Wang, Wei You, Justin M. Hodgkiss, Xiaowei Zhan
Adv. Mater., March 07, 2018, https://doi.org/10.1002/adma.201706363 Read article

The Impact of Atmosphere on the Local Luminescence Properties of Metal Halide Perovskite Grains

The Impact of Atmosphere on the Local Luminescence Properties of Metal Halide Perovskite Grains

Metal halide perovskites are an exciting class of materials for low-cost optoelectronics but their performance remains limited by nonradiative losses. The surface adsorption of different atmospheric molecules to different types of grains in perovskite films can have a profound impact on the local luminescence of that grain under continual illumination depending on whether the grain has few (bright grain) or many (dark grain) defects. Oxygen molecules are shown to bind particularly strongly to iodide vacancies which, in the presence of photoexcited electrons, leads to passivation of the carrier trap states that arise from these vacancies.

[Communication]
Roberto Brenes, Christopher Eames, Vladimir Bulović, M. Saiful Islam, Samuel D. Stranks
Adv. Mater., March 07, 2018, https://doi.org/10.1002/adma.201706208 Read article

Bandgap Engineering of Stable Lead-Free Oxide Double Perovskites for Photovoltaics

Bandgap Engineering of Stable Lead‐Free Oxide Double Perovskites for Photovoltaics

The class of lead-free stable oxide double perovskites A2M(III)M(V)O6 (A = Ca, Sr, Ba; M(III) = Sb3+ or Bi3+; M(V) = V5+, Nb5+, or Ta5+) is comprehensively explored with regard to their stability and their electronic and optical properties. Apart from the strong stability, this class of double perovskites exhibits direct bandgaps ranging from 0.3 to 3.8 eV. With proper B site alloying, the bandgap can be tuned within the range of 1.0–1.6 eV with strong optical absorptions, making them suitable for efficient single-junction thin-film solar cell application.

[Communication]
Qingde Sun, Jing Wang, Wan-Jian Yin, Yanfa Yan
Adv. Mater., March 06, 2018, https://doi.org/10.1002/adma.201705901 Read article

Alternative Thieno[3,2-b][1]benzothiophene Isoindigo Polymers for Solar Cell Applications

Alternative Thieno[3,2‐b][1]benzothiophene Isoindigo Polymers for Solar Cell Applications

Five alternative thieno-benzothiophene isoindigo D–A polymers are designed, synthesized, and characterized, and their photophysical and photovoltaic properties are investigated. A novel composite electron energy loss spectroscopy imaging technique is used to determine the domains between polymers and phenyl C70 butyric acid methyl ester (PCBM), enabling an enhanced correlation between polymer chemical structure, photovoltaic device performance, and acquired morphology.

[Communication]
Marios Neophytou, Daniel Bryant, Sergei Lopatin, Hu Chen, Rawad K. Hallani, Lewis Cater, Iain McCulloch, Wan Yue
Macromol. Rapid Commun., March 05, 2018, https://doi.org/10.1002/marc.201700820 Read article

Metal-Free Sensitizers with a Perfluorohexyl Side Chain for Dye-Sensitized Solar Cells: Properties Alien to Alkyl Chains

Metal‐Free Sensitizers with a Perfluorohexyl Side Chain for Dye‐Sensitized Solar Cells: Properties Alien to Alkyl Chains

Better dyes ahead: Perfluorohexyl- and n-hexyl-substituted thiophenes were synthesized for use in dye-sensitized solar cells. The perfluorohexyl dyes more effectively suppress charge recombination, affording a higher open-circuit voltage (VOC). The best power conversion efficiency with a perfluorocarbon-chain-containing dye with added co-adsorbent was 6.73 % (VOC=742 mV, JSC=13.26 mA cm−2, FF=0.68). The more hydrophobic perfluorohexyl dyes better resist dye leaching arising from the presence of moisture, giving their DSSCs higher temporal stability.

[Full Paper]
Chia-Jung Liang, CH. Pavan Kumar, Chun-Ting Li, Jiann T. Lin
Asian J. Org. Chem., March 05, 2018, https://doi.org/10.1002/ajoc.201800071 Read article

Directed Vertical Diffusion of Photovoltaic Active Layer Components into Porous ZnO-Based Cathode Buffer Layers

Directed Vertical Diffusion of Photovoltaic Active Layer Components into Porous ZnO‐Based Cathode Buffer Layers

A methodology of contrast variation with neutron and anomalous X-ray reflectivity is developed to map the multicomponent depth compositions of an inverted polymer solar cell, from the active layer surface down to the bottom of the porous ZnO–C60 cathode buffer interlayer. Facilitated by size-selective ZnO–C60 nanochannels, PC71BM diffusion from the active layer builds a gradient distribution throughout the interlayer.

[Full Paper]
Jia-Jhen Kang, Tsung-Yu Yang, Yi-Kang Lan, Wei-Ru Wu, Chun-Jen Su, Shih-Chang Weng, Norifumi L. Yamada, An-Chung Su, U-Ser Jeng
Small, March 02, 2018, https://doi.org/10.1002/smll.201704310 Read article

Wide Bandgap Molecular Acceptors with a Truxene Core for Efficient Nonfullerene Polymer Solar Cells: Linkage Position on Molecular Configuration and Photovoltaic Properties

Wide Bandgap Molecular Acceptors with a Truxene Core for Efficient Nonfullerene Polymer Solar Cells: Linkage Position on Molecular Configuration and Photovoltaic Properties

Tow star-shaped wide bandgap molecular acceptors with truxene core were synthesized for efficient non-fullerene polymer solar cells. Both acceptors show high absorptions in the short wavelength region, which can match well with those of low bandgap polymer donors, giving rise to high power conversion efficiencies of 10.15% from binary blend devices and 11.40% from ternary blend devices, respectively.

[Full Paper]
Wenlin Wu, Guangjun Zhang, Xiaopeng Xu, Shichao Wang, Ying Li, Qiang Peng
Adv. Funct. Mater., March 02, 2018, https://doi.org/10.1002/adfm.201707493 Read article

Tuning the Molecular Weight of the Electron Accepting Polymer in All-Polymer Solar Cells: Impact on Morphology and Charge Generation

Tuning the Molecular Weight of the Electron Accepting Polymer in All‐Polymer Solar Cells: Impact on Morphology and Charge Generation

Excessively high molecular weights are shown to be detrimental to the performance of all-polymer solar cells. Increasing the molecular weight of the acceptor polymer to Mn = 167 kDa is found to result in liquid–liquid phase separation negatively impacting charge generation and collection. Intermediate molecular weights instead provide an optimum morphology with good carrier mobilities and improved molecular order.

[Full Paper]
Kedar D. Deshmukh, Rukiya Matsidik, Shyamal K. K. Prasad, Luke A. Connal, Amelia C. Y. Liu, Eliot Gann, Lars Thomsen, Justin M. Hodgkiss, Michael Sommer, Christopher R. McNeill
Adv. Funct. Mater., March 01, 2018, https://doi.org/10.1002/adfm.201707185 Read article

Heterojunction Hybrid Solar Cells by Formation of Conformal Contacts between PEDOT:PSS and Periodic Silicon Nanopyramid Arrays

Heterojunction Hybrid Solar Cells by Formation of Conformal Contacts between PEDOT:PSS and Periodic Silicon Nanopyramid Arrays

A poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS)/textured Si heterojunction solar cell with a fully conformal contact is achieved by employing a periodic upright nanopyramid array and a silane chemical-incorporated PEDOT:PSS solution. The resulting PEDOT:PSS/Si hybrid solar cells textured with arrays show a promising power conversion efficiency of 13.8%, significantly higher than 12.1% of the cells based on the-state-of-the-art surface texture with random pyramids.

[Full Paper]
Xixi Wang, Zhaolang Liu, Zhenhai Yang, Jian He, Xi Yang, Tianbao Yu, Pingqi Gao, Jichun Ye
Small, February 28, 2018, https://doi.org/10.1002/smll.201704493 Read article

A Solar Transistor and Photoferroelectric Memory

A Solar Transistor and Photoferroelectric Memory

This study presents a new self-powered electronic device “the solar transistor”. Transistors require an external voltage source and a third terminal known as gate. Solar cells in contrast have only two electrodes but do not have switch. The new ferroelectric-organic “solaristor” device concept merges in two-electrode geometry a non-volatile transistor modulation and the autonomy of solar cells.

[Full Paper]
Amador Pérez-Tomás, Anderson Lima, Quentin Billon, Ian Shirley, Gustau Catalan, Mónica Lira-Cantú
Adv. Funct. Mater., February 28, 2018, https://doi.org/10.1002/adfm.201707099 Read article

Electronic Structure Characterization of Cross-Linked Sulfur Polymers

Electronic Structure Characterization of Cross‐Linked Sulfur Polymers

Shift or change? Here, a study on how doping by selenium or LiTFSI enhances the conductivity of a cross-linked sulfur polymer is described. The impacts on surface chemical composition and on the valence electronic structure are determined by soft and hard X-ray photoelectron spectroscopy. Selenium changes the valence-band structure of the polymer and LiTFSI shifts the Fermi level of the system.

[Article]
Ute B. Cappel, Peng Liu, Fredrik O. L. Johansson, Bertrand Philippe, Erika Giangrisostomi, Ruslan Ovsyannikov, Andreas Lindblad, Lars Kloo, James M. Gardner, Håkan Rensmo
ChemPhysChem, February 27, 2018, https://doi.org/10.1002/cphc.201800043 Read article

Fabrication of Mesoporous Titania Nanoparticles with Controlled Porosity and Connectivity for Studying the Photovoltaic Properties in Perovskite Solar Cells

Fabrication of Mesoporous Titania Nanoparticles with Controlled Porosity and Connectivity for Studying the Photovoltaic Properties in Perovskite Solar Cells

Mesoporous titania (m-TiO2) nanoparticles are synthesized by treating prehydrolyzed titanium precursors with amphiphilic polyethylene glycol (PEG). By varying the amount of PEG, the physical properties of m-TiO2 are tuned in terms of surface area, pore size/volume, and electrical conductivity. These were employed in electron transport layers for studying the photovoltaic properties of perovskite solar cells.

[Full Paper]
Yuki Tanaka, Siew Lay Lim, Wei Peng Goh, Changyun Jiang, Si Yin Tee, Tao Ye, Xianqiang Li, Khoa Ha Nguyen, Coryl Jing Jun Lee, Ning Ding, Zhaolin Liu, Jishan Wu, Jie Zhang, Ming-Yong Han
ChemNanoMat, February 26, 2018, https://doi.org/10.1002/cnma.201800009 Read article

Theoretical Studies of Singlet Fission: Searching for Materials and Exploring Mechanisms

Theoretical Studies of Singlet Fission: Searching for Materials and Exploring Mechanisms

Singlet fission (SF) provides an avenue to enhance the photoelectric conversion efficiency in organic photovoltaic devices to exceed the Shockley–Queisser limit. It has become a subject of intense research. Theoretical studies of SF since 2006 are thus reviewed. Electronic structure calculations facilitate designing SF chromophores and improve the understanding of the coupling between single- and multi-excitonic states. Quantum dynamics simulations reveal the importance of vibronic coupling in SF. The accuracy of the theoretical studies is examined by comparing their results with experiments.

[Review]
Achini Japahuge, Tao Zeng
ChemPlusChem, February 23, 2018, https://doi.org/10.1002/cplu.201700489 Read article

Dual Functional Electron-Selective Contacts Based on Silicon Oxide/Magnesium: Tailoring Heterointerface Band Structures while Maintaining Surface Passivation

Dual Functional Electron‐Selective Contacts Based on Silicon Oxide/Magnesium: Tailoring Heterointerface Band Structures while Maintaining Surface Passivation

A high-performance dopant-free and electron-selective contact (ESC) design of silicon oxide/magnesium (SiOx/Mg) is first demonstrated and explored with the potential to tailor heterointerface band structures while maintaining surface passivation. A solar cell with efficiency of 15% is provisionally demonstrated via totally dopant-free processing and a pathway toward a competitive efficiency with conventionally diffused pn junction solar cells is sequentially indicated.

[Full Paper]
Hui Tong, Zhenhai Yang, Xixi Wang, Zhaolang Liu, Zhenxin Chen, Xiaoxing Ke, Manling Sui, Jiang Tang, Tianbao Yu, Ziyi Ge, Yuheng Zeng, Pingqi Gao, Jichun Ye
Adv. Energy Mater., February 21, 2018, https://doi.org/10.1002/aenm.201702921 Read article

Effects of Voltage Biasing on Current Extraction in Perovskite Solar Cells

Effects of Voltage Biasing on Current Extraction in Perovskite Solar Cells

Electron-beam induced current measurements are used to map local current extraction in organic–inorganic perovskite solar cells. Current extraction before and after prebiasing of organic–inorganic perovskite solar cell devices and quantification of corresponding current decay rates support a model of mixed ionic and electronic processes contributing to the dependence of perovskite solar cells on previous biasing conditions.

[Full Paper]
Olivia Hentz, Paul Rekemeyer, Silvija Gradečak
Adv. Energy Mater., February 21, 2018, https://doi.org/10.1002/aenm.201701378 Read article

Strategic Synthesis of Ultrasmall NiCo2O4 NPs as Hole Transport Layer for Highly Efficient Perovskite Solar Cells

Strategic Synthesis of Ultrasmall NiCo2O4 NPs as Hole Transport Layer for Highly Efficient Perovskite Solar Cells

An ultrasmall and well-dispersed ternary oxide of NiCo2O4 nanoparticles, achieved by a new strategy of controllable deamination of the Co–NH3 complexes in a system containing Ni(OH)2 , facilitate the formation of large perovskite grains, which is first applied as hole transport layer for highly efficient perovskite solar cells.

[Full Paper]
Dan Ouyang, Junyan Xiao, Fei Ye, Zhanfeng Huang, Hong Zhang, Lu Zhu, Jiaqi Cheng, Wallace C. H. Choy
Adv. Energy Mater., February 20, 2018, https://doi.org/10.1002/aenm.201702722 Read article

Device Characteristics of an 11.4% CZTSe Solar Cell Fabricated from Sputtered Precursors

Device Characteristics of an 11.4% CZTSe Solar Cell Fabricated from Sputtered Precursors

Optoelectronic properties of an 11.4% Cu2ZnSnSe4 solar cell are presented. The device shows an unusual behavior for kesterite: (i) photon energy of the photoluminescence emission and (ii) the extrapolated Voc for 0 K are both matching the band gap region of the absorber. These properties lead to one of the lowest Voc deficits for kesterite in the literature.

[Communication]
Teoman Taskesen, Janet Neerken, Johannes Schoneberg, Devendra Pareek, Vincent Steininger, Jürgen Parisi, Levent Gütay
Adv. Energy Mater., February 19, 2018, https://doi.org/10.1002/aenm.201703295 Read article

Advances in Carbon Nanotube–Silicon Heterojunction Solar Cells

Advances in Carbon Nanotube–Silicon Heterojunction Solar Cells

The significant progress that has been made in improving the performance and stability of carbon nanotube–silicon heterojunction solar cells, and in understanding of the operating principles, is discussed. In addition, a comprehensive review of the literature, a roadmap for future performance improvement, and a critical assessment of the opportunities for this rapidly developing field in the wider context of the silicon photovoltaics industry are provided.

[Review]
Daniel D. Tune, Benjamin S. Flavel
Adv. Energy Mater., February 19, 2018, https://doi.org/10.1002/aenm.201703241 Read article

Molecular Engineering Using an Anthanthrone Dye for Low-Cost Hole Transport Materials: A Strategy for Dopant-Free, High-Efficiency, and Stable Perovskite Solar Cells

Molecular Engineering Using an Anthanthrone Dye for Low‐Cost Hole Transport Materials: A Strategy for Dopant‐Free, High‐Efficiency, and Stable Perovskite Solar Cells

First time low-cost anthanthrone dye based hole transporting materials (HTMs) 4,10-bis(1,2-dihydroacenaphthylen-5-yl)-6,12-bis(octyloxy)-6,12-dihydronaphtho[7,8,1,2,3-nopqr]tetraphene (ACE-ANT-ACE) and 4,4′-(6,12-bis(octyloxy)-6,12-dihydronaphtho[7,8,1,2,3-nopqr]tetraphene-4,10-diyl)bis(N,N-bis(4-methoxyphenyl)aniline) (TPA-ANT-TPA) end capped with dihydroacenaphthylene and triphenyleamine groups are designed and synthesized, respectively. Among both, dopant-free TPA-ANT-TPA cut-rate HTM ($67 g−1) exhibits higher performance with 17.5% efficiency and retains respectable performance after 50 h in 58% relative humidity than conventional expensive 2,2′,7,7′-tetrakis(N,N′-di-p-methoxyphenylamino)-9,9′-spirbiuorene.

[Communication]
Hong Duc Pham, Thu Trang Do, Jinhyun Kim, Cecile Charbonneau, Sergei Manzhos, Krishna Feron, Wing Chung Tsoi, James R. Durrant, Sagar M. Jain, Prashant Sonar
Adv. Energy Mater., February 19, 2018, https://doi.org/10.1002/aenm.201703007 Read article

The Effect of Dopant-Free Hole-Transport Polymers on Charge Generation and Recombination in Cesium–Bismuth–Iodide Solar Cells

The Effect of Dopant‐Free Hole‐Transport Polymers on Charge Generation and Recombination in Cesium–Bismuth–Iodide Solar Cells

Compare to win: In CsBi3I10-based solar cells, three different conducting polymers are compared as dopant-free hole-transport layers. Poly[[2,3-bis(3-octyloxyphenyl)-5,8-quinoxalinediyl]-2,5-thiophenediyl] (TQ1) results in the most efficient devices, and the photon-to-current conversion spectrum indicates that light absorption from the polymer also contributes to the photocurrent. A CsBi3I10 recrystallization procedure further increases the performance of the devices.

[Full Paper]
Huimin Zhu, Malin B. Johansson, Erik M. J. Johansson
ChemSusChem, February 16, 2018, https://doi.org/10.1002/cssc.201702169 Read article

Biodegradable Monocrystalline Silicon Photovoltaic Microcells as Power Supplies for Transient Biomedical Implants

Biodegradable Monocrystalline Silicon Photovoltaic Microcells as Power Supplies for Transient Biomedical Implants

A fully biodegradable silicon photovoltaic (PV) system is designed for powering in vivo electronic implants. Operation of a light-emitting diode with a subdermal implanted PV system provides a proof-of-concept demonstration. The PV system fully dissolves after 4 months in animal models. Both in vitro and in vivo studies indicate good biocompatibility of the PV system and its dissolution by-products.

[Communication]
Luyao Lu, Zijian Yang, Kathleen Meacham, Caroline Cvetkovic, Elise A. Corbin, Abraham Vázquez-Guardado, Mantian Xue, Lan Yin, Javaneh Boroumand, Grace Pakeltis, Tian Sang, Ki Jun Yu, Debashis Chanda, Rashid Bashir, Robert W. Gereau, Xing Sheng, John A. Rogers
Adv. Energy Mater., February 16, 2018, https://doi.org/10.1002/aenm.201703035 Read article

Improving Photovoltaic Performance of a Fused-Ring Azepinedione Copolymer via a D–A–A Design

Improving Photovoltaic Performance of a Fused‐Ring Azepinedione Copolymer via a D–A–A Design

A D–A–A copolymer donor (PBTTABDT) based on a fused-ring azepinedione acceptor unit is developed. Compared with D–A counterpart PTTABDT, PBTTABDT possesses a deeper highest occupied molecular orbital (HOMO) level, a narrower bandgap, and a higher hole mobility. PBTTABDT:PC71BM solar cells give a power conversion efficiency of 7.81%.

[Communication]
Honghong Zhang, Ting Li, Zuo Xiao, Zhongli Lei, Liming Ding
Macromol. Rapid Commun., February 13, 2018, https://doi.org/10.1002/marc.201700882 Read article

Fusing Benzo[c][1,2,5]oxadiazole Unit with Thiophene for Constructing Wide-bandgap High-performance IDT-based Polymer Solar Cell Donor Material

Fusing Benzo[c][1,2,5]oxadiazole Unit with Thiophene for Constructing Wide‐bandgap High‐performance IDT‐based Polymer Solar Cell Donor Material

Wide-band-gap polymers based on benzooxadiazole and thiophene fused units (PIDT-BO and PIDT-BOT) are designed and synthesized. PIDT-BOT shows high solar cell performance, with PCE up to 6.08%.

[Communication]
Xin Song, Meijie Fan, Kaili Zhang, Dakang Ding, Weiye Chen, Yonghai Li, Liangmin Yu, Mingliang Sun, Renqiang Yang
Macromol. Rapid Commun., February 13, 2018, https://doi.org/10.1002/marc.201700782 Read article

Asymmetric Alkyl Side-Chain Engineering of Naphthalene Diimide-Based n-Type Polymers for Efficient All-Polymer Solar Cells

Asymmetric Alkyl Side‐Chain Engineering of Naphthalene Diimide‐Based n‐Type Polymers for Efficient All‐Polymer Solar Cells

Three n-type conjugated polymers based on a naphthalene diimide–thiophene skeleton and different alkyl side chains are designed and synthesized. Polymer solar cells based on the copolymer PNDI-BOOD with different side chains exhibit an improved power-conversion efficiency of 6.89%, which can be attributed to the improved charge-carrier mobility and the formation of favorable film morphology.

[Communication]
Tao Jia, Zhenye Li, Lei Ying, Jianchao Jia, Baobing Fan, Wenkai Zhong, Feilong Pan, Penghui He, Junwu Chen, Fei Huang, Yong Cao
Macromol. Rapid Commun., February 13, 2018, https://doi.org/10.1002/marc.201700765 Read article

Oxazolium Iodide Modified Perovskites for Solar Cell Fabrication

Oxazolium Iodide Modified Perovskites for Solar Cell Fabrication

A new brand of sunscreen: Methyl ammonium lead triiodide (MAPbI3) perovskites were doped with 2-phenyl-3-methyloxazolium iodide (2Ph-ox) and used to fabricate solar cells. The oxazolium cations are thought to protect the perovskite layers from UV exposure, since they down-convert absorbed photons, which are re-emitted at a different wavelength.

[Full Paper]
Manuel Salado, Erfan Shirzadi, Samrana Kazim, Zhaofu Fei, Mohammad Khaja Nazeeruddin, Paul J. Dyson, Shahzada Ahmad
ChemPlusChem, February 09, 2018, https://doi.org/10.1002/cplu.201700471 Read article

On the True Band Gap of the (CH3NH3)2Pb(SCN)2I2 Hybrid Perovskite: An Interesting Solar-Cell Material

On the True Band Gap of the (CH3NH3)2Pb(SCN)2I2 Hybrid Perovskite: An Interesting Solar‐Cell Material

An appealing solar cell material (CH3NH3)2Pb(SCN)2I2, MAPSI, is a semiconductor with 2D-layered structure and nearly direct band gap, showing unique electronic properties arising from the SCN ion incorporation. For this material, both experimental measurements (diffuse reflectance, XRD) and DFT-based calculations (band structure, density of states) confirm a wide band gap value, which is against previous reports.

[Rapid Research Letter]
Josue I. Clavijo Penagos, Eduard R. Romero, Gerardo Gordillo, John M. Correa Hoyos, Miguel Á. Reinoso Sánchez
Phys. Status Solidi RRL, February 06, 2018, https://doi.org/10.1002/pssr.201700376 Read article

Post-Treatment-Free Main Chain Donor and Side Chain Acceptor (D-s-A) Copolymer for Efficient Nonfullerene Solar Cells with a Small Voltage Loss

Post‐Treatment‐Free Main Chain Donor and Side Chain Acceptor (D‐s‐A) Copolymer for Efficient Nonfullerene Solar Cells with a Small Voltage Loss

Main chain donor and side chain acceptor (D-s-A) copolymers bearing 2-(1,1-dicyanomethylene) rhodanine pendant group, a newly developed D-s-A copolymer PDRCNBDT as a donor material, deliver a record power conversion efficiency of 5.3% with a low energy loss of 0.57 eV for nonfullerene solar cells. This is the best value reported for D-s-A copolymers to date.

[Communication]
Zhihui Liao, Yilin Wang, Yongkang An, Yun Tan, Xiangchuang Meng, Feiyan Wu, Lie Chen, Yiwang Chen
Macromol. Rapid Commun., February 05, 2018, https://doi.org/10.1002/marc.201700706 Read article

Synthesis and Characterization of Isoindigo-Based Polymers with Thermocleavable Side Chains

Synthesis and Characterization of Isoindigo‐Based Polymers with Thermocleavable Side Chains

A series of donor–acceptor random copolymers bearing thermocleavable side chains is synthesized and characterized. The isoindigo-based polymers undergo a one-step thermal degradation corresponding to cleavage of the side chains below 200 °C. The effect on thermal stability in blend films with PC61BM is investigated using transmission electron microscopy and significant stabilization of the morphology is found.

[Full Paper]
Kim Bini, Xiaofeng Xu, Mats R. Andersson, Ergang Wang
Macromol. Chem. Phys., February 05, 2018, https://doi.org/10.1002/macp.201700538 Read article

Poly(ethylene glycol)–[60]Fullerene-Based Materials for Perovskite Solar Cells with Improved Moisture Resistance and Reduced Hysteresis

Poly(ethylene glycol)–[60]Fullerene‐Based Materials for Perovskite Solar Cells with Improved Moisture Resistance and Reduced Hysteresis

Solar cells off the PEG: A series of [60]fullerenes covalently functionalized with poly(ethylene glycol) is presented. These materials have been incorporated as additives in CH3NH3PbI3, which is the most common hybrid perovskite used in solar cells. The extensive photovoltaic study performed with these materials indicates beneficial effects including reduced hysteresis and increased stability against moisture.

[Full Paper]
Silvia Collavini, Michael Saliba, Wolfgang R. Tress, Philippe J. Holzhey, Sebastian F. Völker, Konrad Domanski, Silver H. Turren-Cruz, Amita Ummadisingu, Shaik M. Zakeeruddin, Anders Hagfeldt, Michael Grätzel, Juan L. Delgado
ChemSusChem, February 05, 2018, https://doi.org/10.1002/cssc.201702265 Read article

A Simple but Efficient Small Molecule with a High Open Circuit Voltage of 1.07 V in Solution-Processable Organic Solar Cells

A Simple but Efficient Small Molecule with a High Open Circuit Voltage of 1.07 V in Solution‐Processable Organic Solar Cells

Small but powerful: A simple but efficient small molecule for solution-processable organic solar cells was designed and synthesized. It exhibited a very low HOMO energy level (−5.47 eV) but good absorption in the range of 300–700 nm. Based on PC71BM as acceptor, it obtained a good PCE of 7.4 % with a very high Voc of 1.07 V. The Voc is one of the highest values reported so far.

[Communication]
Dan Deng, Yajie Zhang, Zaiyu Wang, Qiong Wu, Wei Ma, Kun Lu, Zhixiang Wei
Asian J. Org. Chem., January 29, 2018, https://doi.org/10.1002/ajoc.201700633 Read article

Synthesis, Properties, and Solar Cell Performance of Poly(4-(p-alkoxystyryl)thiazole)s

Synthesis, Properties, and Solar Cell Performance of Poly(4‐(p‐alkoxystyryl)thiazole)s

Poly(4-styrylthiazole)s exhibit optical properties comparable to their thiophene analogues, but provide ≈0.3 V higher open circuit voltages in photovoltaic cells, due to their stabilized frontier orbital levels.

[Full Paper]
Jakob Jäger, Sandra Schraff, Frank Pammer
Macromol. Chem. Phys., January 15, 2018, https://doi.org/10.1002/macp.201700496 Read article

Indaceno-Based Conjugated Polymers for Polymer Solar Cells

Indaceno‐Based Conjugated Polymers for Polymer Solar Cells

Indaceno-based conjugated polymers have provided numerous possibilities in the field of organic electronics, especially for polymer solar cells. Recent years have presented tremendous progress, with power conversion efficiencies of more than 11%. In this review, recent developments of the indaceno-based conjugated polymers are summarized by categorizing them into four areas.

[Review]
Yuli Yin, Yong Zhang, Liancheng Zhao
Macromol. Rapid Commun., January 04, 2018, https://doi.org/10.1002/marc.201700697 Read article

Design and Synthesis of a Novel n-Type Polymer Based on Asymmetric Rylene Diimide for the Application in All-Polymer Solar Cells

Design and Synthesis of a Novel n‐Type Polymer Based on Asymmetric Rylene Diimide for the Application in All‐Polymer Solar Cells

The first n-type polymer based on the asymmetric rylene diimide is designed and synthesized. PTDI-T could realize a power conversion efficiency of 4.70% by using PTB7-Th as a donor polymer, which is obviously higher than those of the analogue polymers of PPDI-2T and PDTCDI.

[Communication]
Jing Yang, Fan Chen, Huijuan Ran, Jian-Yong Hu, Bo Xiao, Ailing Tang, Xiaochen Wang, Erjun Zhou
Macromol. Rapid Commun., January 02, 2018, https://doi.org/10.1002/marc.201700715 Read article

Multifunctional Diketopyrrolopyrrole-Based Conjugated Polymers with Perylene Bisimide Side Chains

Multifunctional Diketopyrrolopyrrole‐Based Conjugated Polymers with Perylene Bisimide Side Chains

Electron-deficient perylene bisimide linked by flexible alkyl side chains makes the diketopyrrolopyrrole-based conjugated polymers can be used as electron donor, electron acceptor, and single-component material in organic solar cells.

[Communication]
Cheng Li, Changshi Yu, Wenbin Lai, Shijie Liang, Xudong Jiang, Guitao Feng, Jianqi Zhang, Yunhua Xu, Weiwei Li
Macromol. Rapid Commun., November 24, 2017, https://doi.org/10.1002/marc.201700611 Read article

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