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Frontiers of Optoelectronics

ISSN 2095-2759

ISSN 2095-2767(Online)

CN 10-1029/TN

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Front. Optoelectron.    2022, Vol. 15 Issue (3) : 30    https://doi.org/10.1007/s12200-022-00034-3
RESEARCH ARTICLE
N-doped carbon anchored CoS2/MoS2 nanosheets as efficient electrocatalysts for overall water splitting
Xingwei Zhou1, Wei Zhang1,2(), Zunhao Zhang1, Zizhun Wang1, Xu Zou1(), Dabing Li3, Weitao Zheng1
1. Key Laboratory of Automobile Materials MOE, School of Materials Science and Engineering, Electron Microscopy Center, and International Center of Future Science, Jilin Provincial International Cooperation Key Laboratory of High-Efficiency Clean Energy Materials, Jilin University, Changchun 130012, China
2. Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan 430074, China
3. State Key Laboratory of Luminescence and Applications, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China
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Abstract

The oriented two-dimensional porous nitrogen-doped carbon embedded with CoS2 and MoS2 nanosheets is a highly efficient bifunctional electrocatalyst. The hierarchical structure ensures fast mass transfer capacity in improving the electrocatalytic activity. And the greatly increased specific surface area is beneficial to expose more electrocatalytically active atoms. For oxygen evolution reaction (OER) and hydrogen evolution reaction (HER) tests in 1 mol/L KOH solution, only 194 and 140 mV overpotential are required to achieve a current density of 10 mA/cm2, respectively. Our research provides an effective strategy for synergizing the individual components in nanostructures for a wide range of electrocatalytic reactions.
Keywords Oxygen evolution reaction      Hydrogen evolution reaction      Bifunctional electrocatalyst      Overall water splitting     
Corresponding Author(s): Wei Zhang,Xu Zou   
About author: Tongcan Cui and Yizhe Hou contributed equally to this work.
Issue Date: 23 August 2022
 Cite this article:   
Xingwei Zhou,Wei Zhang,Zunhao Zhang, et al. N-doped carbon anchored CoS2/MoS2 nanosheets as efficient electrocatalysts for overall water splitting[J]. Front. Optoelectron., 2022, 15(3): 30.
 URL:  
https://academic.hep.com.cn/foe/EN/10.1007/s12200-022-00034-3
https://academic.hep.com.cn/foe/EN/Y2022/V15/I3/30
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