Journal
CATALYSIS LETTERS
Volume 150, Issue 2, Pages 555-561Publisher
SPRINGER
DOI: 10.1007/s10562-019-03002-3
Keywords
Nickel boride; LaFeO3; Photoelectrochemical catalysis; Photocathode; Charge transfer
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Funding
- National Natural Science Foundation of China [51702130]
- Natural Science Foundation of Jiangsu Province [BK20170550]
- Innovation/Entrepreneurship Program of Jiangsu Province
- project of Zhenjiang Key Laboratory of Advanced Sensing Materials and Devices [SS2018001]
- Research Fund of Jiangsu University [17JDG014]
- Jiangsu Specially-Appointed Professors Program
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Great efforts have been paid to enhance the photoelectrochemical performances of LaFeO3. However, there have rarely been reported about modifying of LaFeO3 with transitional metal borides for enhanced photoelectrochemical activities. Herein, we prepared LFO/Ni-B composite electrodes by immersing LFO into the prepared electroless plating solution. The optimized LFO/Ni-B composite exhibits a 373% improvement of the photocurrent density and exhibits an anodic shift of onset potential. Systematic studies reveal that the improvement of PEC activity should be attributed to enhanced electrochemically active surface area and electrocatalytic properties, reduced resistance of the PEC system, and a more pronounced downward band bending at the photoelectrode/electrolyte interface. [GRAPHICS] .
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