Abstract
Developing a facile strategy for the construction of advanced electrocatalysts to accelerate oxygen evolution kinetics to meet the needs of new energy conversion technologies is highly desirable. Herein, a novel and facile route is devised to grow the amorphous RuxOy on CuO/Cu2O nanowire arrays. Experimental results show that the typical product displays an outstanding electrocatalytic oxygen evolution activity involving a low overpotential of 236 mV at 20 mA cm−2 and an excellent durability. The reasons for which is associated with the synergistic effect of amorphous RuxOy and CuO/Cu2O nanowire arrays, as well as the existence of abundant oxygen vacancies. This study exhibits new insights into using the composite of amorphous RuxOy and copper (Cu)–based oxides as high-activity catalysts for oxygen evolution.
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This work was supported by the National Natural Science Foundation of China (51908567) and the China Postdoctoral Science Foundation (2018M643311).
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Yuan, W., Wu, Y., Wang, X. et al. Constructing amorphous RuxOy on CuO/Cu2O nanowire arrays for improved oxygen evolution. J Nanopart Res 22, 125 (2020). https://doi.org/10.1007/s11051-020-04859-x
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DOI: https://doi.org/10.1007/s11051-020-04859-x