Efficient photocatalytic overall water splitting by synergistically enhancing bulk charge separation and surface reaction kinetics in Co3O4–decorated ZnO@ZnS core-shell structures

2020 ◽  
Vol 393 ◽  
pp. 124681 ◽  
Author(s):  
Qingsong Zhang ◽  
Yang Xiao ◽  
Yiming Li ◽  
Kaiyuan Zhao ◽  
Huifang Deng ◽  
...  
Keyword(s):  
Reaction Kinetics ◽  
Water Splitting ◽  
Charge Separation ◽  
Surface Reaction ◽  
Shell Structures ◽  
Core Shell ◽  
Overall Water Splitting ◽  
Bulk Charge ◽  
Surface Reaction Kinetics

Spatial engineering of a Co(OH)x encapsulated p-Cu2S/n-BiVO4 photoanode: simultaneously promoting charge separation and surface reaction kinetics in solar water splitting

2019 ◽  
Vol 7 (12) ◽  
pp. 6747-6752 ◽  
Author(s):  
Bing He ◽  
Yang Wang ◽  
Xueqin Liu ◽  
Yinchang Li ◽  
Xiaoqin Hu ◽  
...  
Keyword(s):  
Reaction Kinetics ◽  
Water Splitting ◽  
Charge Separation ◽  
Surface Reaction ◽  
Separation Efficiency ◽  
Photocurrent Density ◽  
Solar Water ◽  
Solar Water Splitting ◽  
Charge Separation Efficiency ◽  
Surface Reaction Kinetics

An ultrathin Co(OH)x coated p-Cu2S/n-BiVO4 heterojunction photoanode with improved charge separation efficiency was prepared, showing a photocurrent density of 3.51 mA cm−2.

Identifying dual functions of rGO in a BiVO4/rGO/NiFe-layered double hydroxide photoanode for efficient photoelectrochemical water splitting

2020 ◽  
Vol 8 (26) ◽  
pp. 13231-13240 ◽  
Author(s):  
Hua Chen ◽  
Songcan Wang ◽  
Jianzhong Wu ◽  
Xiacong Zhang ◽  
Jia Zhang ◽  
...  
Keyword(s):  
Reaction Kinetics ◽  
Water Splitting ◽  
Layered Double Hydroxides ◽  
Oxygen Evolution Reaction ◽  
Surface Reaction ◽  
Photocurrent Density ◽  
Surface Reaction Kinetics ◽  
Double Hydroxide ◽  
Double Hydroxides ◽  
Dual Functions

To enhance surface reaction kinetics for oxygen evolution reaction, nanoporous BiVO4 photoanodes are modified by rGO and NiFe-layered double hydroxides, leading to an enhanced photocurrent density of 3.26 mA cm−2 under AM 1.5 G illumination.

Enhanced Surface Reaction Kinetics and Charge Separation of p–n Heterojunction Co3O4/BiVO4Photoanodes

2015 ◽  
Vol 137 (26) ◽  
pp. 8356-8359 ◽  
Author(s):  
Xiaoxia Chang ◽  
Tuo Wang ◽  
Peng Zhang ◽  
Jijie Zhang ◽  
Ang Li ◽  
...  
Keyword(s):  
Reaction Kinetics ◽  
Charge Separation ◽  
Surface Reaction ◽  
Surface Reaction Kinetics ◽  
Enhanced Surface

scholarly journals Amorphous NiSx film as a robust cocatalyst for boosting photocatalytic hydrogen generation over ultrafine ZnCdS nanoparticles

2021 ◽  
Author(s):  
Shenglong Gan ◽  
Min Deng ◽  
Dongfang Hou ◽  
Lei Huang ◽  
XiuQing Qaio ◽  
...  
Keyword(s):  
Reaction Kinetics ◽  
Charge Separation ◽  
Active Sites ◽  
Surface Reaction ◽  
Hydrogen Generation ◽  
H2 Generation ◽  
Separation Surface ◽  
Photocatalytic Hydrogen Generation ◽  
Photocatalytic H2 Generation ◽  
Surface Reaction Kinetics

Optimization of cocatalyst is promising and of great significance in enhancing photocatalytic H2 generation from the perspective of understanding the charge separation, surface reaction kinetics, and distribution of active sites....

Cooperation effect of heterojunction and co-catalyst in BiVO4/Bi2S3/NiOOH photoanode for improving photoelectrochemical performances

2018 ◽  
Vol 42 (24) ◽  
pp. 19415-19422 ◽  
Author(s):  
Jindong Wei ◽  
Cailou Zhou ◽  
Ying Xin ◽  
Xifei Li ◽  
Lei Zhao ◽  
...  
Keyword(s):  
Reaction Kinetics ◽  
Water Splitting ◽  
Light Absorption ◽  
Surface Reaction ◽  
Photogenerated Electron ◽  
Photoelectrochemical Water Splitting ◽  
Electron Hole ◽  
Co Catalyst ◽  
Surface Reaction Kinetics

The separation and transport of photogenerated electron–hole pairs as well as wider light absorption and surface reaction kinetics are the main limitations in photoelectrochemical water splitting.

The rational design of Cu2−xSe@(Co,Cu)Se2 core–shell structures as bifunctional electrocatalysts for neutral-pH overall water splitting

Nanoscale ◽  
2021 ◽  
Author(s):  
Li Liu ◽  
Xiao Yang ◽  
Yuanqing Zhao ◽  
Bingbing Yao ◽  
Yanhua Hou ◽  
...  
Keyword(s):  
Water Splitting ◽  
Shell Structure ◽  
Rational Design ◽  
Bifunctional Catalyst ◽  
Shell Structures ◽  
Core Shell ◽  
Neutral Ph ◽  
Overall Water Splitting ◽  
Ph Conditions ◽  
Core Shell Structure

Herein, we designed a Cu2−xSe@(Co,Cu)Se2 core–shell structure with ultrathin (Co,Cu)Se2 nanosheets anchored as a shell on an internal Cu2−xSe core as an effective bifunctional catalyst under neutral-pH conditions.

Exclusive strain effect boosts overall water splitting in PdCu/Ir core/shell nanocrystals

2021 ◽  
Author(s):  
Menggang Li ◽  
Zhonglong Zhao ◽  
Zhonghong Xia ◽  
Mingchuan Luo ◽  
Qinghua Zhang ◽  
...  
Keyword(s):  
Water Splitting ◽  
Strain Effect ◽  
Core Shell ◽  
Overall Water Splitting
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