Heterostructured Arrays of NixP/S/Se Nanosheets on CoxP/S/Se Nanowires for Efficient Hydrogen Evolution

被引：50

作者：

Tang, Weiqiang ^{[1
]}

Wang, Jianying ^{[1
]}

Guo, Lixia ^{[1
]}

Teng, Xue ^{[1
]}

Meyer, Thomas J. ^{[2
]}

Chen, Zuofeng ^{[1
]}

机构：

[1] Tongji Univ, Shanghai Key Lab Chem Assessment & Sustainabil, Dept Chem, Shanghai 200092, Peoples R China

[2] Univ North Carolina Chapel Hill, Dept Chem, Chapel Hill, NC 27599 USA

来源：

ACS APPLIED MATERIALS & INTERFACES | 2017年 / 9卷 / 47期

基金：

中国国家自然科学基金;

关键词：

transition-metal phosphides (TMPs); chalcogenides; chemical bath deposition; heterostructures; hydrogen evolution reaction (HER); ENERGY-CONVERSION; DOPED GRAPHENE; CARBON CLOTH; ELECTROCATALYST; PHOSPHIDE; COBALT; METAL; CATALYSTS; WATER; OXYGEN;

D O I：

10.1021/acsami.7b14466

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The development of efficient electrocatalysts for hydrogen evolution reaction (HER) is of increasing importance in energy conversion schemes. The earth-abundant transition-metal phosphides, especially CoP and Ni2P, have emerged as promising, catalysts for HER We describe here the preparation and characterization of a hybrid catalyst of Ni2P nanosheets@CoP nanowires on a carbon cloth for the reaction. The heterostructure and synergistic effects of the Ni2P and CoP components result in an extremely low overpotential of 55 mV for achieving a catalytic current density of 10 mA cm(-2), which is remarkable for transition-metal phosphide electrocatalysts. The synthetic procedure could be readily extended to related, heterostructured bimetallic sulfides, or selenides for HER

引用

页码：41347 / 41353

页数：7

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