Electrospun Cobalt-Doped MoS2 Nanofibers for Electrocatalytic Hydrogen Evolution

被引：9

作者：

Rheem, Youngwoo ^{[1
]}

Park, Sun Hwa ^{[2
]}

Han, Yosep ^{[1
]}

Lee, Kyu-Hwan ^{[3
]}

Choi, Sung-Mook ^{[3
]}

Myung, Nosang V. ^{[1
]}

机构：

[1] Univ Calif Riverside, Dept Chem & Environm Engn, Riverside, CA 92521 USA

[2] Korea Res Inst Stand & Sci, Ctr Convergence Property Measurement, Deajeon 34113, South Korea

[3] Korea Inst Mat Sci, Surface Technol Div, Chang Won 51508, South Korea

来源：

JOURNAL OF THE ELECTROCHEMICAL SOCIETY | 2019年 / 166卷 / 13期

关键词：

ULTRATHIN NANOSHEETS; EDGE SITES; CARBON; METAL;

D O I：

10.1149/2.1041912jes

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Cobalt (Co)-incorporated MoS2 nanofibers were fabricated via a facile electrospinning method followed by sulfurization process. Co atoms in the molybdenum oxide nanofibers altered the morphology and crystal structure according to sulfurization time. The well-anchored Co-incorporated MoS2 sheets on the nanofiber surface acted as active edge sites for the hydrogen evolution reaction (HER), which exhibited high activity with an onset potential of approximately -170 mV vs NHE with a Tafel slope of 60 mV/dec. The overpotential was -330 mV vs NHE at 10 mA/cm(2). (C) 2019 The Electrochemical Society.

引用

页码：F996 / F999

页数：4

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