Abstract
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.
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Acknowledgements
This work was supported by the National Natural Science Foundation of China (No. 51702130), the Natural Science Foundation of Jiangsu Province (No. BK20170550), the Innovation/Entrepreneurship Program of Jiangsu Province, the project of Zhenjiang Key Laboratory of Advanced Sensing Materials and Devices (No. SS2018001), and the Research Fund of Jiangsu University (No. 17JDG014). D. C. appreciates the support from Jiangsu Specially-Appointed Professors Program.
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Wang, P., Xing, J., He, Y. et al. Enhancement of Photoelectrochemical Reduction by LaFeO3 Photocathodes Coated with Electroless Deposited Nickel Boride Catalyst. Catal Lett 150, 555–561 (2020). https://doi.org/10.1007/s10562-019-03002-3
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DOI: https://doi.org/10.1007/s10562-019-03002-3