Journal
NANO RESEARCH
Volume 12, Issue 7, Pages 1613-1618Publisher
TSINGHUA UNIV PRESS
DOI: 10.1007/s12274-019-2400-1
Keywords
MoS2 nanosheet; ion irradiation; electrocatalyst; hydrogen evolution reaction; sulphur vacancy
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Funding
- National Natural Science Foundation of China [21671141, 11375018, 11528508]
- National Basic Research Program of China [2015CB358600]
- Priority Academic Program Development (PAPD) of Jiangsu Higher Education Institutions for Optical Engineering in Soochow University
- National Magnetic Confinement Fusion Energy Research Project from Ministry of Science and Technology of China [2015GB121004, 2017YFE0302500, 2018YFE0307100]
- China-Romania Science and Technology Cooperation committee 43rd Regular Meeting Exchange program
- Ion Beam Materials Laboratory (IBML) at Peking University
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The inert basal plane of molybdenum disulfide (MoS2) restrains its further hydrogen evolution reaction (HER) performance. This work attempts ion irradiation to activate inert basal plane of MoS2 nanosheet to improve its electrocatalytic performance. Experimental results demonstrate the sulphur vacancies generated by ion irradiation on the basal plane of MoS2 mainly boost the efficiency of HER performance. The moderate fluence of carbon ion irradiation gains the optimum HER performance with an onset potential of 77 mV and Tafel slope of 66 mV/dec.
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