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Photocatalysis

Photocatalysis has seen growing interest recently: Not only in the reactions of small molecules such as H2O (water splitting)[1] and CO2 (forming solar fuels),[2] but also in organic synthesis.[3]

[1] J. Xing, W. Q. Fang, H. J. Zhao, H. G. Yang: Inorganic Photocatalysts for Overall Water Splitting
Chem. Asian J. 2012, 7, 642–657

[2] S. N. Habisreutinger, L. Schmidt-Mende, J. K. Stolarczyk: Photocatalytic Reduction of CO2 on TiO2 and Other Semiconductors
Angew. Chem. Int. Ed. 2013, 52, 7372–7408

[3] J. Xuan, W.-J. Xiao: Visible-Light Photoredox Catalysis
Angew. Chem. Int. Ed. 2012, 51, 6828–6838

Also see: Pierre Pichat (Ed): Photocatalysis and Water Purification: From Fundamentals to Recent Applications, Wiley-VCH 2013.

Find all articles on photocatalysis in Wiley Online Library...

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Bioinspired Mesoporous Chiral Nematic Graphitic Carbon Nitride Photocatalysts modulated by Polarized Light

Bioinspired Mesoporous Chiral Nematic Graphitic Carbon Nitride Photocatalysts modulated by Polarized Light

Black N white photographene: Bioinspired mesoporous g-C3N4 materials with supramolecular helical and liquid crystal layered structures were synthesized from chiral nematic CNC films through nanocasting with a SiO2 template. The g-C3N4 exhibited an ultrahigh hydrogen evolution rate that can be modulated by circularly polarized light during the photocatalytic processes.

[Communication]
Wensheng Lin, Wei Hong, Lu Sun, Di Yu, Dingshan Yu, Xudong Chen
ChemSusChem, December 14, 2017, https://doi.org/10.1002/cssc.201701984 Read article

A General Synthesis of Porous Carbon Nitride Films with Tunable Surface Area and Photophysical Properties

A General Synthesis of Porous Carbon Nitride Films with Tunable Surface Area and Photophysical Properties

An efficient, easy, and general method for growing highly porous and large-scale carbon nitride (g-CN) networks on various substrates using the doctor blade technique is introduced. The g-CN films have high electrochemical active surface area, excellent dye adsorption, and good photoelectrochemical and photodegradation properties. This method opens opportunities for exploitation of g-CN in electronic and photoelectronic devices.

[Communication]
Guiming Peng, Lidan Xing, Jesús Barrio, Michael Volokh, Menny Shalom
Angew. Chem. Int. Ed., December 12, 2017, https://doi.org/10.1002/anie.201711669 Read article

Conjugated Microporous Polymers for Heterogeneous Catalysis

Conjugated Microporous Polymers for Heterogeneous Catalysis

Heterogeneous catalysis: This review focuses on conjugated microporous polymers (CMPs) as an intriguing platform for developing various highly efficient and recyclable heterogeneous catalysts. The design, synthesis, and structure of these CMP catalysts are also discussed.

[Focus Review]
Yun-Bing Zhou, Zhuang-Ping Zhan
Chem. Asian J., December 07, 2017, https://doi.org/10.1002/asia.201701107 Read article

Photoelectrochemical Performance of BiVO4 Photoanodes Integrated with [NiFe]-Layered Double Hydroxide Nanocatalysts

Photoelectrochemical Performance of BiVO4 Photoanodes Integrated with [NiFe]‐Layered Double Hydroxide Nanocatalysts

We integrated laser-synthesized [NiFe]-layered double hydroxide nanocatalysts with BiVO4 photoanodes, optimized catalyst mass loading, and mitigated nanoparticle aggregation. Our systematic optimization strategies led to enhanced photoelectrochemical performance.

[Full Paper]
Timothy S. Sinclair, Harry B. Gray, Astrid M. Müller
Eur. J. Inorg. Chem., December 06, 2017, https://doi.org/10.1002/ejic.201701231 Read article

In Situ Synthesis of Few-Layered g-C3N4 with Vertically Aligned MoS2 Loading for Boosting Solar-to-Hydrogen Generation

In Situ Synthesis of Few‐Layered g‐C3N4 with Vertically Aligned MoS2 Loading for Boosting Solar‐to‐Hydrogen Generation

A novel nanodevice composed of vertical MoS2/C3N4 produced via the solid-state reaction of two layered precursors is reported for the first time. The interface sites of the vertical MoS2/C3N4 are the electron-accumulation regions due to the presence of metallic Mo[BOND]N bonds, which are significant for hydrogen generation. MoS2/C3N4 shows a ten times higher photocurrent response than the reference samples.

[Full Paper]
Hui Bian, Yujin Ji, Junqing Yan, Ping Li, Ling Li, Youyong Li, Shengzhong (Frank) Liu
Small, December 04, 2017, https://doi.org/10.1002/smll.201703003 Read article

Uranium Oxide Nanocrystals by Microwave-Assisted Thermal Decomposition: Electronic and Structural Properties

Uranium Oxide Nanocrystals by Microwave‐Assisted Thermal Decomposition: Electronic and Structural Properties

[Article]
Jennifer Leduc, Joseph I. Pacold, David K. Shuh, Chung-Li Dong, Sanjay Mathur
Z. Anorg. Allg. Chem., December 01, 2017, https://doi.org/10.1002/zaac.201700294 Read article

MoSexOy-Coated 1D TiO2 Nanotube Layers: Efficient Interface for Light-Driven Applications

MoSexOy‐Coated 1D TiO2 Nanotube Layers: Efficient Interface for Light‐Driven Applications

Atomic layer deposition–synthesized oxyselenide coatings on 1D TiO2 nanotubes layers act as efficient co-photocatalyst. Increased light absorption, reduced optical bandgap, and formation of core-shell-like heterojunction due to ultrathin and uniform coatings within TiO2 nanotubes are accounted for enhanced photoelectrochemical activity of the resulting heterojunction and strongly enhanced photocatalytic activity in visible spectral region.

[Full Paper]
Siowwoon Ng, Milos Krbal, Raul Zazpe, Jan Prikryl, Jaroslav Charvot, Filip Dvořák, Lukas Strizik, Stanislav Slang, Hanna Sopha, Yuliia Kosto, Vladimir Matolin, Fong Kwong Yam, Filip Bures, Jan M. Macak
Adv. Mater. Interfaces, December 01, 2017, https://doi.org/10.1002/admi.201701146 Read article

Fabrication of α-Fe2O3@rGO/PAN Nanofiber Composite Membrane for Photocatalytic Degradation of Organic Dyes

Fabrication of α‐Fe2O3@rGO/PAN Nanofiber Composite Membrane for Photocatalytic Degradation of Organic Dyes

The α-Fe2O3@reduced graphene oxide/polyacrylonitrile nanofiber composite membrane is obtained by hydrothermal method followed by vacuum filtration. Photocatalytic experiments show that the composite membrane can effectively degrade a variety of organic dyes and high degradation efficiency is obtained even under natural sunlight, demonstrating the great potential applications of the novel membranes in industrial dye wastewater treatment.

[Full Paper]
Kai Sun, Lifang Wang, Chunzhi Wu, Jianping Deng, Kai Pan
Adv. Mater. Interfaces, December 01, 2017, https://doi.org/10.1002/admi.201700845 Read article

Correlating Catalyst Structure and Activity at the Nanoscale

Correlating Catalyst Structure and Activity at the Nanoscale

A thorough understanding of the catalyst structure-activity relationship at the smallest possible length scales is required for intelligent improvement of catalysts. Such nanometer-resolved investigations are enabled by combined fluorescence and electron microscopy. This review discusses different experimental approaches and insights obtained through their application.

[Focus Review]
Jordi Van Loon, Alexey V. Kubarev, Maarten B. J. Roeffaers
ChemNanoMat, November 27, 2017, https://doi.org/10.1002/cnma.201700301 Read article

Enhanced Photocatalytic Hydrogen Evolution of NiCoP/g-C3N4 with Improved Separation Efficiency and Charge Transfer Efficiency

Enhanced Photocatalytic Hydrogen Evolution of NiCoP/g‐C3N4 with Improved Separation Efficiency and Charge Transfer Efficiency

Powers of separation: NiCoP/g-C3N4, synthesized by simple one-pot method, is a highly efficient photocatalyst for hydrogen production from water, exhibiting a hydrogen evolution rate that is 21 times higher than that of bare g-C3N4. The excellent performance is due to a combination of improved separation efficiency and effective charge transfer efficiency.

[Full Paper]
Lingling Bi, Xupeng Gao, Lijing Zhang, Dejun Wang, Xiaoxin Zou, Tengfeng Xie
ChemSusChem, November 23, 2017, https://doi.org/10.1002/cssc.201701574 Read article

Facet-Selective Growth of Cadmium Sulfide Nanorods on Zinc Oxide Microrods: Intergrowth Effect for Improved Photocatalytic Performance

Facet‐Selective Growth of Cadmium Sulfide Nanorods on Zinc Oxide Microrods: Intergrowth Effect for Improved Photocatalytic Performance

Hot rod: A simple one-step hydrothermal method to prepare the CdS/ZnO heterostructure with a novel spatial arrangement is reported. Under visible-light irradiation, CdS/ZnO exhibits enhanced photocatalytic hydrogen generation owing to improved charge separation from the two-phase intergrowth effect.

[Communication]
Xu Guo, Yubin Chen, Zhixiao Qin, Jinzhan Su, Liejin Guo
ChemCatChem, November 23, 2017, https://doi.org/10.1002/cctc.201701078 Read article

Heteroatom-Doped Carbonaceous Photocatalysts for Solar Fuel Production and Environmental Remediation

Heteroatom‐Doped Carbonaceous Photocatalysts for Solar Fuel Production and Environmental Remediation

Heteroatom doping is a powerful tool for modulating electronic structure, geometrical structure, surface chemistry, and subsequent electronic conductivity, optical properties, and photocatalysis of carbon materials. This Review emphasizes the synthesis, properties, and photocatalytic applications of doped carbonaceous materials, discusses the fundamental understanding of promoting effect of doping, and also outlines the challenges and future perspectives.

[Review]
Zhongkui Zhao, Guifang Ge, Di Zhang
ChemCatChem, November 16, 2017, https://doi.org/10.1002/cctc.201700707 Read article

A CuII-based Metal–Organic Framework as an Efficient Photocatalyst for Direct Hydroxylation of Benzene to Phenol in Aqueous Solution

A CuII‐based Metal–Organic Framework as an Efficient Photocatalyst for Direct Hydroxylation of Benzene to Phenol in Aqueous Solution

MOFs for hydroxylation catalysis: A type of CuII-based metal–organic framework (MOF) has been prepared and characterized, which shows an excellent performance in the direct hydroxylation of benzene to phenol in aqueous solution.

[Full Paper]
Li Zhang, Shuhai Qiu, Guoqing Jiang, Guomin Jiang, Ruiren Tang
Asian J. Org. Chem., November 15, 2017, https://doi.org/10.1002/ajoc.201700501 Read article

Designing CdS Mesoporous Networks on Co-C@Co9S8 Double-Shelled Nanocages as Redox-Mediator-Free Z-Scheme Photocatalyst

Designing CdS Mesoporous Networks on Co‐C@Co9S8 Double‐Shelled Nanocages as Redox‐Mediator‐Free Z‐Scheme Photocatalyst

That′s a good hybrid! This work demonstrates a new design strategy for highly active, noble-metal-free, and redox-mediator-free Z-scheme photocatalyst, CdS/Co-C@Co9S8, for H2 production through water splitting under solar irradiation.

[Full Paper]
D. Amaranatha Reddy, Hanbit Park, Madhusudana Gopannagari, Eun Hwa Kim, Seunghee Lee, D. Praveen Kumar, Tae Kyu Kim
ChemSusChem, November 09, 2017, https://doi.org/10.1002/cssc.201701643 Read article

Aerogel Photocatalyst Composed of Transparent Mesoporous Polymethylsilsesquioxane Softly Post-Modified with a Visible-Light-Absorbing Metal Complex

Aerogel Photocatalyst Composed of Transparent Mesoporous Polymethylsilsesquioxane Softly Post‐Modified with a Visible‐Light‐Absorbing Metal Complex

Lighting it softly: Soft post-modification of polymethylsilsesquioxane (PMSQ) aerogel with metal complexes has proven to afford highly active photocatalysts.

[Communication]
Suresh Sanda, Kazuyoshi Kanamori, Toshiaki Takei, Kentaro Tashiro
ChemNanoMat, October 30, 2017, https://doi.org/10.1002/cnma.201700276 Read article

Visible-Light-Promoted Arylation Reactions Photocatalyzed by Bismuth(III) Oxide

Visible‐Light‐Promoted Arylation Reactions Photocatalyzed by Bismuth(III) Oxide

[Communication]
Laura Buglioni, Paola Riente, Emilio Palomares, Miquel A. Pericàs
Eur. J. Org. Chem., October 23, 2017, https://doi.org/10.1002/ejoc.201701242 Read article

Solar-to-Hydrogen Energy Conversion Based on Water Splitting

Solar‐to‐Hydrogen Energy Conversion Based on Water Splitting

The mass and energy circulation in the solar-hydrogen-electricity circle is delineated herein. The general concepts of natural photosynthesis in green plants, the different strategies of light-driven water splitting proposed in laboratories, the progress of electrocatalytic hydrogen evolution reaction and the oxygen evolution reaction, and the electrode reactions in hydrogen fuel cells are discussed.

[Review]
Jing Qi, Wei Zhang, Rui Cao
Adv. Energy Mater., October 23, 2017, https://doi.org/10.1002/aenm.201701620 Read article

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