Solvothermal decoration of Cu3SnS4 on reduced graphene oxide for enhanced electrocatalytic hydrogen evolution reaction

被引：17

作者：

Govindaraju, Varsha Raj ^{[1
]}

Sreeramareddygari, Muralikirshna ^{[2
]}

Hanumantharayudu, Nagaraju Doddahalli ^{[3
,4
]}

Devaramani, Samrat ^{[5
]}

Thippeswamy, Ramakrishnappa ^{[1
]}

Surareungchai, Werasak ^{[2
,6
,7
]}

机构：

[1] BMS Inst Technol, Dept Chem, Bengaluru 560064, India

[2] King Mongkuts Univ Technol Thonburi, Pilot Plant Dev & Training Inst, Bangkhuntien Chaitalay Rd, Bangkok 10150, Thailand

[3] Jain Univ, Ctr Nano & Mat Sci, Jain Global Campus, Bangalore, Karnataka, India

[4] REVA Univ, Sch Appl Sci, Dept Chem, Bangalore, Karnataka, India

[5] RV Inst Technol & Management, Dept Chem, Bengaluru, India

[6] King Mongkuts Univ Technol Thonburi, Sch Bioresources & Technol, Nanosci & Nanotechnol Grad Programme, Bangkok, Thailand

[7] King Mongkuts Univ Technol Thonburi, Fac Sci, Bangkok, Thailand

来源：

ENVIRONMENTAL PROGRESS & SUSTAINABLE ENERGY | 2021年 / 40卷 / 03期

关键词：

Cu3SnS4; electrocatalyst; hydrogen evolution reaction; reduced graphene oxide; solvothermal synthesis; EFFICIENT; MOS2; NANOSHEETS; MOLYBDENUM; COMPOSITE; SULFIDES; NANOPARTICLES; EQUILIBRIUM; REDUCTION; CATALYSTS;

D O I：

10.1002/ep.13558

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Metal sulphides combined with graphene/reduced graphene oxide (rGO) represent a unique class of materials for hydrogen generation either through electrocatalytic or photo(electro) catalytic methods. Herein, we report a solvothermal synthesis of Cu3SnS4 decorated rGO resulting in a highly active electrocatalyst for hydrogen evolution reaction (HER) compared to its native Cu3SnS4. The Cu3SnS4-rGO exhibited very low overpotential of 190 mV versus reversible hydrogen electrode (RHE), whereas Cu3SnS4 requires 250 mV versus RHE at a current density of 10 mA/cm(2). Tafel slope of Cu3SnS4-rGO and Cu3SnS4 is about 64 and 76 mV/dec, respectively. This suggests that Cu3SnS4-rGO is a better electrocatalyst when compared to Cu3SnS4 and follows mixed Volmer and Heyrovsky mechanism for HER.

引用

页数：8

共 60 条

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