Ultrathin S-doped MoSe<sub>2</sub>nanosheets for efficient hydrogen evolution

Chen Xu; Shengjie Peng; Chaoliang Tan; Edison Huixiang Ang; Huiteng Tan; Hua Zhang; Qingyu Yan

doi:10.1039/c4ta00458b

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Ultrathin S-doped MoSe₂nanosheets for efficient hydrogen evolution

Chen Xu Shengjie Peng Chaoliang Tan Edison Huixiang Ang Huiteng Tan Hua Zhang Qingyu Yan

Year: 2014 Journal: Journal of Materials Chemistry A Vol: 2 (16)Pages: 5597-5601 Publisher: Royal Society of Chemistry

DOI: 10.1039/c4ta00458b

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Abstract

We report the synthesis of ultrathin S-doped MoSe2 nanosheets demonstrating enhanced HER catalysis with a low onset overpotential of 90 mV and a Tafel slope of 58 mV per decade. We attribute the improved catalytic effects to the proliferation of unsaturated HER active sites in MoSe2 resulting from S-doping.

Keywords:

Overpotential Tafel equation Doping Catalysis Materials science Hydrogen Nanotechnology Chemical engineering Chemistry Optoelectronics Physical chemistry Electrochemistry Electrode Organic chemistry Engineering

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Electrocatalysts for Energy Conversion

Physical Sciences → Energy → Renewable Energy, Sustainability and the Environment

Chalcogenide Semiconductor Thin Films

Physical Sciences → Engineering → Electrical and Electronic Engineering

2D Materials and Applications

Physical Sciences → Materials Science → Materials Chemistry

Ultrathin S-doped MoSe₂nanosheets for efficient hydrogen evolution

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