Chinese Journal of Catalysis ›› 2021, Vol. 42 ›› Issue (3): 431-438.DOI: 10.1016/S1872-2067(20)63673-7
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Ya-Nan Zhoua, Yu-Ran Zhua, Xin-Tong Yana, Yu-Ning Caoa, Jia Lia, Bin Dong1,*(), Min Yanga, Qing-Zhong Lib, Chen-Guang Liub, Yong-Ming Chaia,#()
Received:
2020-05-29
Accepted:
2020-06-17
Online:
2021-03-18
Published:
2021-01-23
Contact:
Bin Dong,Yong-Ming Chai
About author:
*Tel/Fax:+86-532-86981156;E-mail:dongbin@upc.edu.cn;Supported by:
Ya-Nan Zhou, Yu-Ran Zhu, Xin-Tong Yan, Yu-Ning Cao, Jia Li, Bin Dong, Min Yang, Qing-Zhong Li, Chen-Guang Liu, Yong-Ming Chai. Hierarchical CoSeS nanostructures assisted by Nb doping for enhanced hydrogen evolution reaction[J]. Chinese Journal of Catalysis, 2021, 42(3): 431-438.
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URL: https://www.cjcatal.com/EN/10.1016/S1872-2067(20)63673-7
Fig. 2. Characterization of Nb-CoSeS@NC. XPS spectra of Nb 3d (a) and S 2p (b) regions of Nb-CoSeS@NC and Co 2p (c) and Se 3d (d) regions of CoSeS@NC and Nb-CoSeS@NC.
Fig. 6. HER performance of NC,CoSe@NC,CoSeS@NC,Nb-CoSe@NC,and Nb-CoSeS@NC. (a) IR-corrected LSV curves; (b) Tafel plots; (c) Nyquist plots; (d) determined double-layer capacitance values.
Fig. 7. Stability results of Nb-CoSeS@NC in 0.5 M H2SO4. (a) Chronoamperometry at a constant potential of -0.16 V vs RHE; (b) polarization curves before and after 1000 CV sweeps.
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