Grey hematite photoanodes decrease the onset potential in photoelectrochemical water oxidation

2021 ◽  
Author(s):  
Peng-Fei Liu ◽  
Chongwu Wang ◽  
Yun Wang ◽  
Yuhang Li ◽  
Bo Zhang ◽  
...  
2018 ◽  
Vol 1 (8) ◽  
pp. 4150-4157 ◽  
Author(s):  
Lang Pei ◽  
Bihu Lv ◽  
Shuangbao Wang ◽  
Zhentao Yu ◽  
Shicheng Yan ◽  
...  

Nanoscale ◽  
2017 ◽  
Vol 9 (42) ◽  
pp. 16133-16137 ◽  
Author(s):  
Ke Dang ◽  
Xiaoxia Chang ◽  
Tuo Wang ◽  
Jinlong Gong

This paper describes an amorphous nickel boride (NiB) electrocatalyst loaded on porous BiVO4 for photoelectrochemical water oxidation. The NiB/BiVO4 photoanode exhibits an onset potential of 0.25 V versus the reversible hydrogen electrode (vs. RHE) and a photocurrent of 3.47 mA cm−2 at 1.23 V vs. RHE under simulated 100 mW cm−2 irradiation.


2015 ◽  
Vol 3 (35) ◽  
pp. 17977-17982 ◽  
Author(s):  
Wanhong He ◽  
Ruirui Wang ◽  
Lu Zhang ◽  
Jie Zhu ◽  
Xu Xiang ◽  
...  

A multi-functional layered double hydroxide (LDH)-modified BiVO4 photoanode exhibits a tremendous cathodic shift of the onset potential and more than 2-fold enhancement in the oxidation efficiency and IPCE value.


2020 ◽  
Vol 49 (3) ◽  
pp. 588-592 ◽  
Author(s):  
Fusheng Li ◽  
Ziqi Zhao ◽  
Hao Yang ◽  
Dinghua Zhou ◽  
Yilong Zhao ◽  
...  

A cobalt oxide catalyst prepared by a flame-assisted deposition method on the surface of FTO and hematite for electrochemical and photoelectrochemical water oxidation, respectively.


Author(s):  
Yalong Zou ◽  
Jiabo Le ◽  
Yufeng Cao ◽  
Na An ◽  
Yang Zhou ◽  
...  

The attractive photoelectrochemical (PEC) water splitting for hydrogen fuels always desires new semiconductors which provide stronger visible light absorption with suitable band positions. Sn(II) complex oxides are expected to offer...


Nanoscale ◽  
2021 ◽  
Author(s):  
Peng Wang ◽  
Feng Li ◽  
Xuefeng Long ◽  
Tong Wang ◽  
Huan Chai ◽  
...  

Surface modification by loading a water oxidation co-catalyst (WOC) is generally considered to be an efficient means to optimize the sluggish surface oxygen evolution reaction (OER) of hematite photoanode for...


Author(s):  
Abdul Zeeshan Khan ◽  
Ibrahim Khan ◽  
Ali Sufyan ◽  
Dalaver Anjum ◽  
Ahsanulhaq Qurashi

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