Adjusting the ratio of bulk single-electron-trapped oxygen vacancies/surface oxygen vacancies in TiO2 for efficient photocatalytic hydrogen evolution

2018 ◽  
Vol 8 (11) ◽  
pp. 2809-2817 ◽  
Author(s):  
Lili Hou ◽  
Zhongjie Guan ◽  
Min Zhang ◽  
Chunqing He ◽  
Qiuye Li ◽  
...  
Keyword(s):  
Hydrogen Evolution ◽  
Oxygen Vacancies ◽  
Single Electron ◽  
Surface Oxygen ◽  
Photocatalytic Hydrogen Evolution

Co-existence of bulk single-electron-trapped and surface oxygen vacancies favor the improvement of photocatalytic hydrogen evolution.

Surface oxygen vacancies promoted Pt redispersion to single-atom for enhanced photocatalytic hydrogen evolution

2021 ◽  
Author(s):  
Jinmeng Cai ◽  
Ang Cao ◽  
Zhenbin Wang ◽  
Siyu Lu ◽  
Zheng Jiang ◽  
...  
Keyword(s):  
Hydrogen Evolution ◽  
Oxygen Vacancies ◽  
Catalytic Properties ◽  
Spillover Effect ◽  
Hydrogen Spillover ◽  
Single Atom ◽  
Surface Oxygen ◽  
Photocatalytic Hydrogen Evolution ◽  
Metal Atoms

Isolating metal atoms on supports for catalysis has attracted great attention for researchers due to the unique catalytic properties. Here we show by utilizing the hydrogen spillover effect at high...

Oxygen vacancy mediated construction of anatase/brookite heterophase junctions for high-efficiency photocatalytic hydrogen evolution

2017 ◽  
Vol 5 (47) ◽  
pp. 24989-24994 ◽  
Author(s):  
Xiaoqiang An ◽  
Chengzhi Hu ◽  
Huijuan Liu ◽  
Jiuhui Qu
Keyword(s):  
Oxygen Vacancy ◽  
Hydrogen Evolution ◽  
Oxygen Vacancies ◽  
High Efficiency ◽  
Photocatalytic Hydrogen Evolution

The formation and subsequent rearrangement of oxygen vacancies in anatase/brookite heterophase junctions led to 12-fold increased photoactivity for hydrogen evolution.

Boosting visible-light-driven catalytic hydrogen evolution via surface Ti3+ and bulk oxygen vacancies in urchin-like hollow black TiO2 decorated with RuO2 and Pt dual cocatalysts

2020 ◽  
Vol 10 (23) ◽  
pp. 7914-7921
Author(s):  
Bowen Li ◽  
Qiuye Li ◽  
Bhavana Gupta ◽  
Chunqing He ◽  
Jianjun Yang
Keyword(s):  
Visible Light ◽  
Hydrogen Evolution ◽  
Oxygen Vacancies ◽  
Single Electron ◽  
Black Tio2 ◽  
Bulk Oxygen ◽  
Visible Light Driven ◽  
Catalytic Hydrogen ◽  
Catalytic Hydrogen Evolution

A novel hollow urchin-like black RuO2/TiO2/Pt nanomaterial with surface Ti3+ and bulk single-electron oxygen vacancies (Vo·) was used for enhancing the hydrogen evolution performance under visible light.

Sign in / Sign up

Export Citation Format

Share Document