Oxygen-deficient WO3via high-temperature two-step annealing for enhanced and highly stable water splitting

2019 ◽  
Vol 55 (55) ◽  
pp. 7958-7961 ◽  
Author(s):  
Shasha Tang ◽  
Marc Courté ◽  
Jingjing Peng ◽  
Denis Fichou
Keyword(s):  
High Temperature ◽  
Water Splitting ◽  
Charge Separation ◽  
Oxygen Deficiency ◽  
Photocatalytic Ability ◽  
Efficient Charge ◽  
One Step

In contrast with conventional one-step annealed WO3, high-temperature two-step annealed WO3 contains a higher concentration of oxygen deficiency, leading to more efficient charge separation and improved photocatalytic ability.

scholarly journals Understanding the anatase–rutile phase junction in charge separation and transfer in a TiO2 electrode for photoelectrochemical water splitting

2016 ◽  
Vol 7 (9) ◽  
pp. 6076-6082 ◽  
Author(s):  
Ailong Li ◽  
Zhiliang Wang ◽  
Heng Yin ◽  
Shengyang Wang ◽  
Pengli Yan ◽  
...  
Keyword(s):  
Water Splitting ◽  
Charge Separation ◽  
Rutile Phase ◽  
Interface Structure ◽  
Photoelectrochemical Water Splitting ◽  
Tio2 Electrode ◽  
Phase Alignment ◽  
Efficient Charge

The key to phase junctions for efficient charge separation is to consider both the phase alignment and interface structure.

Photoelectrochemical Solar Water Splitting: The Role of the Carbon Nanomaterials in Bismuth Vanadate Composite Photoanodes toward Efficient Charge Separation and Transport

Langmuir ◽  
2019 ◽  
Vol 35 (45) ◽  
pp. 14492-14504 ◽  
Author(s):  
Jyoti Prakash ◽  
Umesh Prasad ◽  
Rajath Alexander ◽  
Jitendra Bahadur ◽  
Kinshuk Dasgupta ◽  
...  
Keyword(s):  
Water Splitting ◽  
Charge Separation ◽  
Carbon Nanomaterials ◽  
Bismuth Vanadate ◽  
Solar Water ◽  
Solar Water Splitting ◽  
Efficient Charge

Efficient Charge Separation of In-Situ Nb-Doped TiO2Nanowires for Photoelectrochemical Water-splitting

2017 ◽  
Vol 2 (9) ◽  
pp. 2822-2827 ◽  
Author(s):  
Zhangliu Tian ◽  
Houlei Cui ◽  
Jijian Xu ◽  
Guilian Zhu ◽  
Feng Shao ◽  
...  
Keyword(s):  
Water Splitting ◽  
Charge Separation ◽  
Photoelectrochemical Water Splitting ◽  
Efficient Charge

A facile in situ approach to fabricate N,S-TiO2/g-C3N4 nanocomposite with excellent activity for visible light induced water splitting for hydrogen evolution

2015 ◽  
Vol 17 (12) ◽  
pp. 8070-8077 ◽  
Author(s):  
Soumyashree Pany ◽  
K. M. Parida
Keyword(s):  
Visible Light ◽  
Specific Surface ◽  
Hydrogen Evolution ◽  
Water Splitting ◽  
Charge Separation ◽  
Small Crystallite Size ◽  
Excellent Activity ◽  
Efficient Charge ◽  
Small Crystallite

The efficient charge separation, small crystallite size and enhanced specific surface area in N,S-TiO2/g-C3N4 nanocomposites make the system pivotal and unique for hydrogen evolution.

scholarly journals Efficient charge separation and transfer of a TaON/BiVO4 heterojunction for photoelectrochemical water splitting

RSC Advances ◽  
2021 ◽  
Vol 11 (22) ◽  
pp. 13269-13273
Author(s):  
Na Li ◽  
Yi Jiang ◽  
Xiaodi Wang ◽  
Chongyang Hu ◽  
Wenchao Jiang ◽  
...  
Keyword(s):  
Water Splitting ◽  
Water Oxidation ◽  
Charge Separation ◽  
Photoelectrochemical Water Splitting ◽  
Significant Enhancement ◽  
Efficient Charge ◽  
Photoelectrochemical Water Oxidation

TaON/BiVO4 heterojunction electrodes exhibited significant enhancement in the photoelectrochemical water oxidation.

Extending the π-electron conjugation in 2D planar graphitic carbon nitride: efficient charge separation for overall water splitting

2019 ◽  
Vol 7 (8) ◽  
pp. 3757-3771 ◽  
Author(s):  
Sankeerthana Bellamkonda ◽  
Ramasamy Shanmugam ◽  
Ranga Rao Gangavarapu
Keyword(s):  
Visible Light ◽  
Water Splitting ◽  
Charge Separation ◽  
Carbon Nitride ◽  
Pure Water ◽  
Graphitic Carbon ◽  
Graphitic Carbon Nitride ◽  
Aromatic Rings ◽  
Overall Water Splitting ◽  
Efficient Charge

We report direct overall pure water splitting by visible light excited graphitic carbon nitride incorporated with conjugated aromatic rings without using sacrificial agents.

Chemo-mechanical strain effects on band engineering of the TiO2 photocatalyst for increasing the water splitting activity

2020 ◽  
Vol 8 (3) ◽  
pp. 1335-1346 ◽  
Author(s):  
Yoonyoung Kim ◽  
Motonori Watanabe ◽  
Junko Matsuda ◽  
Aleksandar Staykov ◽  
Hajime Kusaba ◽  
...  
Keyword(s):  
Photocatalytic Activity ◽  
High Temperature ◽  
Water Splitting ◽  
Charge Separation ◽  
Tensile Strain ◽  
Anatase Phase ◽  
Mechanical Strain ◽  
Tio2 Photocatalyst ◽  
Strain Effects ◽  
Band Engineering

Tensile strain induced by dispersion of Au particles is effective for stabilizing the anatase phase of TiO2 at high temperature and also increasing the photocatalytic activity by an increase in the charge separation with band engineering.

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