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- Title
Photoelectrochemical properties of BiVO<sub>4</sub> thin films with NaOH chemical treatment.
- Authors
Lv, Dong-Dong; Liu, Jiao-Feng; Zhang, Zheng; Ma, Ying-You; Liang, Yan; Zhou, Zhi-Tai; Hao, Wei-Chang
- Abstract
BiVO4 thin films were prepared by a mature and simple electrochemical deposition method on F-doped SnO2 substrate electrode (FTO). The influence of a chemical treatment using sodium hydroxide (NaOH) on the photoelectrochemical properties of BiVO4 thin films was studied. It was found that NaOH can etch the crystal surface of BiVO4, which leads to the increase in specific surface area and improved photoelectrochemical activity. The photocurrent density of the BiVO4 thin films showed an enhancement of photoelectronic current from 0.50 to 0.65 mA·cm−2 at 1.23 V (vs. RHE) after the treatment for 5 h by NaOH, which supplies a stronger potential for H2O oxidation.
- Publication
Rare Metals, 2019, Vol 38, Issue 5, p446
- ISSN
1001-0521
- Publication type
Article
- DOI
10.1007/s12598-019-01210-9