期刊
APPLIED CATALYSIS B-ENVIRONMENTAL
卷 286, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.apcatb.2021.119875
关键词
BiVO4; Layered double hydroxides; Photoelectrochemical water oxidation; Plasma; Hydrophilic
资金
- National Natural Science Foundation of China [21663027, 21808189, 21962018]
- Fundamental Research Funds for the Central Universities of Chang'an University [300102299304]
- Innovation and Promotion Project of College and University [2020B-091]
In this work, a simple hydrothermal and plasma treatment strategy was used to prepare a super-hydrophilic H-CoAl-LDH/BiVO4 photoanode, which exhibited high photocurrent and charge separation efficiency, providing a promising approach to enhance the performance of BiVO4 anode in PEC water splitting applications.
In this work, a simple hydrothermal and plasma treatment strategy is adopted to prepare super-hydrophilic H-CoAl-LDH/BiVO4 photoanode. The water affinity of the as-prepared photoanode and its water oxidation performance were investigated. The super-hydrophilic anode can provide a photocurrent of 3.5 mA/cm(2) at 1.23 V vs. RHE (0.5 M Na2SO4, AM 1.5 G illumination), which is about 3.2 times that of pure BiVO4 photoanode. Moreover, loading of H-CoAl-LDH also significantly enhances the charge separation efficiency and charge injection efficiency of the electrode. These findings here present a facile approach to enhance the performance of BiVO4 anode in the future application of PEC water splitting.
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