Hydrogenated hematite nanostructures for high-efficiency solar water oxidation

RSC Advances ◽  
2016 ◽  
Vol 6 (95) ◽  
pp. 92206-92212 ◽  
Author(s):  
Litao Zhou ◽  
Xiaolin Lv ◽  
Yuting Nie ◽  
Jiujun Deng ◽  
Hui Zhang ◽  
...  
Keyword(s):  
Water Oxidation ◽  
Oxygen Vacancies ◽  
High Efficiency ◽  
Onset Potential ◽  
Solar Water ◽  
Solar Water Oxidation

Hematite with oxygen vacancies can lower the onset potential and achieve a high photocurrent of 2.00 mA cm−2 at 1.0 VRHE.

Coupling Ti-doping and oxygen vacancies in hematite nanostructures for solar water oxidation with high efficiency

2014 ◽  
Vol 2 (8) ◽  
pp. 2491 ◽  
Author(s):  
Aiwu Pu ◽  
Jiujun Deng ◽  
Ming Li ◽  
Jing Gao ◽  
Hui Zhang ◽  
...  
Keyword(s):  
Water Oxidation ◽  
Oxygen Vacancies ◽  
High Efficiency ◽  
Solar Water ◽  
Solar Water Oxidation ◽  
Ti Doping

Co-doped carbon layer to lower the onset potential of hematite for solar water oxidation

2019 ◽  
Vol 258 ◽  
pp. 117962 ◽  
Author(s):  
Huiwen Lan ◽  
Yujian Xia ◽  
Kun Feng ◽  
Aimin Wei ◽  
Zhenhui Kang ◽  
...  
Keyword(s):  
Water Oxidation ◽  
Carbon Layer ◽  
Onset Potential ◽  
Solar Water ◽  
Solar Water Oxidation ◽  
Co Doped

Hydrogen-treated hematite nanostructures with low onset potential for highly efficient solar water oxidation

2014 ◽  
Vol 2 (19) ◽  
pp. 6727 ◽  
Author(s):  
Ming Li ◽  
Jiujun Deng ◽  
Aiwu Pu ◽  
Pingping Zhang ◽  
Hui Zhang ◽  
...  
Keyword(s):  
Water Oxidation ◽  
Onset Potential ◽  
Solar Water ◽  
Highly Efficient ◽  
Solar Water Oxidation

Introduction of oxygen vacancies into hematite in local reducing atmosphere for solar water oxidation

Solar Energy ◽  
2019 ◽  
Vol 179 ◽  
pp. 99-105
Author(s):  
Yi Zhou ◽  
Mingkun Yan ◽  
Junxian Hou ◽  
Yakun Niu ◽  
Dawei Ni ◽  
...  
Keyword(s):  
Water Oxidation ◽  
Oxygen Vacancies ◽  
Solar Water ◽  
Reducing Atmosphere ◽  
Solar Water Oxidation

Loading the FeNiOOH cocatalyst on Pt-modified hematite nanostructures for efficient solar water oxidation

2016 ◽  
Vol 18 (15) ◽  
pp. 10453-10458 ◽  
Author(s):  
Jiujun Deng ◽  
Xiaoxin Lv ◽  
Hui Zhang ◽  
Binhua Zhao ◽  
Xuhui Sun ◽  
...  
Keyword(s):  
Water Oxidation ◽  
Photocurrent Density ◽  
Onset Potential ◽  
Solar Water ◽  
Solar Water Oxidation

A significant cathodic shift of the onset potential and an enhancement of the photocurrent density can be found in the FeNiOOH-decorated hematite photoanode.

Se doping: an effective strategy toward Fe2O3 nanorod arrays for greatly enhanced solar water oxidation

2017 ◽  
Vol 5 (24) ◽  
pp. 12086-12090 ◽  
Author(s):  
Rong Zhang ◽  
Lin Yang ◽  
Xueni Huang ◽  
Tao Chen ◽  
Fengli Qu ◽  
...  
Keyword(s):  
Water Oxidation ◽  
Light Irradiation ◽  
Effective Strategy ◽  
Nanorod Arrays ◽  
Oxidation Activity ◽  
Onset Potential ◽  
Solar Water ◽  
Se Doping ◽  
Solar Water Oxidation

Se doped Fe2O3 nanorod arrays (Se-Fe2O3) show superior solar water oxidation activity driving 1.44 mA cm−2 at 1.23 V vs. the RHE in 1.0 M NaOH under simulated light irradiation, 3.13 times that of pure Fe2O3, with a 90 mV cathodic shift of onset potential.

Boost quantum efficiency of BiVO4 photoanode by increasing oxygen vacancies for highly-efficient solar water oxidation

2021 ◽  
Author(s):  
Bin Li ◽  
Qi Qin ◽  
Chuanyong Jian ◽  
Qian Cai ◽  
Wei Liu
Keyword(s):  
Charge Transport ◽  
Water Splitting ◽  
Quantum Efficiency ◽  
Water Oxidation ◽  
Oxygen Vacancies ◽  
Diffusion Length ◽  
Solar Water ◽  
Highly Efficient ◽  
Solar Water Oxidation ◽  
Pec Water Splitting

BiVO4 (BVO) is a promising photoanode material for photoelectrochemical (PEC) water splitting. However, it is severely restricted by its short charge diffusion length and poor charge transport. Introducing oxygen vacancies...

WO3–α-Fe2O3composite photoelectrodes with low onset potential for solar water oxidation

2014 ◽  
Vol 16 (4) ◽  
pp. 1327-1332 ◽  
Author(s):  
Peng Zhao ◽  
Coleman X. Kronawitter ◽  
Xiaofang Yang ◽  
Jie Fu ◽  
Bruce E. Koel
Keyword(s):  
Water Oxidation ◽  
Onset Potential ◽  
Solar Water ◽  
Solar Water Oxidation

Effect of the Si/TiO2/BiVO4Heterojunction on the Onset Potential of Photocurrents for Solar Water Oxidation

2015 ◽  
Vol 7 (10) ◽  
pp. 5788-5796 ◽  
Author(s):  
Hyejin Jung ◽  
Sang Youn Chae ◽  
Changhwan Shin ◽  
Byoung Koun Min ◽  
Oh-Shim Joo ◽  
...  
Keyword(s):  
Water Oxidation ◽  
Onset Potential ◽  
Solar Water ◽  
Solar Water Oxidation
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