Facile synthesis of CoNi2S4 and CuCo2S4 with different morphologies as prominent catalysts for hydrogen evolution reaction

被引：76
作者：
Ge, Yuancai [1 ]
Wu, Jingjie [2 ]
Xu, Xiaowei [1 ]
Ye, Mingxin [1 ]
Shen, Jianfeng [1 ]
机构：
[1] Fudan Univ, Inst Special Mat & Technol, Shanghai 200433, Peoples R China
[2] Rice Univ, Dept Mat Sci & NanoEngn, 6100 Main St, Houston, TX 77005 USA
来源：
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2016年 / 41卷 / 44期
关键词：
CoNi2S4; CuCo2S4; Ternary sulfides; Hydrogen evolution reaction; HIGH-PERFORMANCE ELECTROCATALYSIS; NANOWIRES ARRAY; EFFICIENT ELECTROCATALYSTS; DISELENIDE NANOPARTICLES; MOS2; NANOPARTICLES; NANOSHEETS; EXFOLIATION; ELECTRODES; GRAPHENE; SULFIDE;
D O I：
10.1016/j.ijhydene.2016.08.096
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
In this paper, a facile one-pot method was employed to synthesize CoNi2S4 and CuCo2S4 with various morphologies. The required overpotentials for CoNi2S4 nanorod and CuCo2S4 cluster are only 111 mV and 135 mV, respectively, to reach the current density of 10 mA/cm(2). The Tafel slopes for CoNi2S4 nanorod (53 mV/dec) and CuCo2S4 cluster (63 mV/dec) are lower than that for binary systems of CoS2 and NiS2. The CoNi2S4 nanorod shows better long-term durability than CuCo2S4 cluster during the galvanostatic electrolysis. Overall these ternary sulfides exhibit promising activity and fair stability for hydrogen evolution reaction. (C) 2016 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
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页码：19847 / 19854
页数：8
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