Hematite homojunctions without foreign element doping for efficient and stable overall water splitting

RSC Advances ◽  
2016 ◽  
Vol 6 (67) ◽  
pp. 62263-62269 ◽  
Author(s):  
Qing Yu ◽  
Xianguang Meng ◽  
Li Shi ◽  
Guigao Liu ◽  
Peng Li ◽  
...  
Keyword(s):  
Water Splitting ◽  
Oxygen Vacancies ◽  
Solar Water ◽  
Solar Water Splitting ◽  
Overall Water Splitting ◽  
Element Doping

A hematite homojunction is prepared by tuning the density of oxygen vacancies for superior solar water splitting.

scholarly journals Activating the surface and bulk of hematite photoanodes to improve solar water splitting

2019 ◽  
Vol 10 (44) ◽  
pp. 10436-10444 ◽  
Author(s):  
Hemin Zhang ◽  
Jong Hyun Park ◽  
Woo Jin Byun ◽  
Myoung Hoon Song ◽  
Jae Sung Lee
Keyword(s):  
Water Splitting ◽  
Oxygen Vacancies ◽  
Surface Passivation ◽  
Photoelectrochemical Water Splitting ◽  
Electrochemical Activation ◽  
Solar Water ◽  
Solar Water Splitting ◽  
Waking Up

Waking up the hematite lion: a simple electrochemical activation treatment leads to surface passivation outside and generation of oxygen vacancies inside, which greatly enhances photoelectrochemical water splitting.

Ultrathin NiCo2O4 nanosheets with dual-metal active sites for enhanced solar water splitting of a BiVO4 photoanode

2019 ◽  
Vol 7 (39) ◽  
pp. 22274-22278 ◽  
Author(s):  
Chenchen Feng ◽  
Qi Zhou ◽  
Bin Zheng ◽  
Xiang Cheng ◽  
Yajun Zhang ◽  
...  
Keyword(s):  
Water Splitting ◽  
Water Oxidation ◽  
Active Sites ◽  
Oxygen Vacancies ◽  
Solar Water ◽  
Solar Water Splitting ◽  
Highly Efficient ◽  
Dual Metal ◽  
Nico2o4 Nanosheets ◽  
First Time

Spinel-structured NiCo2O4 nanosheets with dual-metal active sites, an ultrathin structure, and abundant oxygen vacancies were decorated for the first time on a BiVO4 photoanode for highly efficient PEC water oxidation.

New insight into the roles of oxygen vacancies in hematite for solar water splitting

2017 ◽  
Vol 19 (2) ◽  
pp. 1074-1082 ◽  
Author(s):  
Xin Zhao ◽  
Jianyong Feng ◽  
Shi Chen ◽  
Yizhong Huang ◽  
Tze Chien Sum ◽  
...  
Keyword(s):  
Charge Transfer ◽  
Water Splitting ◽  
Oxygen Vacancies ◽  
Active Surface ◽  
Transfer Efficiency ◽  
Surface Species ◽  
Solar Water ◽  
Solar Water Splitting ◽  
Insight Into

Oxygen vacancies have different impacts on the charge transfer efficiency of pristine and Ti-doped hematite through active surface species.

Oxygen Vacancies Engineering of Iron Oxides Films for Solar Water Splitting

2016 ◽  
Vol 120 (14) ◽  
pp. 7482-7490 ◽  
Author(s):  
Maxime Rioult ◽  
Dana Stanescu ◽  
Emiliano Fonda ◽  
Antoine Barbier ◽  
Hélène Magnan
Keyword(s):  
Water Splitting ◽  
Iron Oxides ◽  
Oxygen Vacancies ◽  
Solar Water ◽  
Solar Water Splitting

A quadruple-band metal–nitride nanowire artificial photosynthesis system for high efficiency photocatalytic overall solar water splitting

2019 ◽  
Vol 6 (7) ◽  
pp. 1454-1462 ◽  
Author(s):  
Yongjie Wang ◽  
Yuanpeng Wu ◽  
Kai Sun ◽  
Zetian Mi
Keyword(s):  
Water Splitting ◽  
Artificial Photosynthesis ◽  
High Efficiency ◽  
Metal Nitride ◽  
Solar Water ◽  
Solar Water Splitting ◽  
Overall Water Splitting

First demonstration of a quadruple-band InGaN nanowire photocatalyst for overall water splitting with an STH efficiency >5%.

Modulating oxygen vacancies in Sn-doped hematite film grown on silicon microwires for photoelectrochemical water oxidation

2018 ◽  
Vol 6 (32) ◽  
pp. 15593-15602 ◽  
Author(s):  
Zhongyuan Zhou ◽  
Shaolong Wu ◽  
Linling Qin ◽  
Liang Li ◽  
Liujing Li ◽  
...  
Keyword(s):  
Absorption Spectrum ◽  
Water Splitting ◽  
Water Oxidation ◽  
Oxygen Vacancies ◽  
Solar Water ◽  
Solar Water Splitting ◽  
Silicon Microwires ◽  
Photoelectrochemical Water Oxidation

Dual-absorber photoelectrodes are attractive candidates for solar water splitting due to their broadened absorption spectrum and improved photovoltage compared to single-absorber systems.

Sign in / Sign up

Export Citation Format

Share Document