Ultrathin platinum nanowires grown on single-layered nickel hydroxide with high hydrogen evolution activity

被引：941

作者：

Yin, Huajie ^{[1
,2
]}

Zhao, Shenlong ^{[1
]}

Zhao, Kun ^{[1
]}

Muqsit, Abdul ^{[1
]}

Tang, Hongjie ^{[1
]}

Chang, Lin ^{[1
]}

Zhao, Huijun ^{[3
]}

Gao, Yan ^{[1
]}

Tang, Zhiyong ^{[1
]}

机构：

[1] Natl Ctr Nanosci & Technol, Lab Nanosyst & Hierarchy Fabricat, Beijing 100190, Peoples R China

[2] Tsinghua Univ, Dept Chem, Beijing 100084, Peoples R China

[3] Griffith Univ, Ctr Clean Environm & Energy, Nathan, Qld 4222, Australia

来源：

NATURE COMMUNICATIONS | 2015年 / 6卷

基金：

中国国家自然科学基金;

关键词：

OXYGEN REDUCTION REACTION; ALKALINE ELECTROLYTES; ELECTROCATALYTIC ACTIVITY; CRYSTAL SURFACES; PERFORMANCE; OXIDATION; ELECTROCHEMISTRY; NANOSTRUCTURES; NANOPARTICLES; NANOSHEETS;

D O I：

10.1038/ncomms7430

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Design and synthesis of effective electrocatalysts for hydrogen evolution reaction in alkaline environments is critical to reduce energy losses in alkaline water electrolysis. Here we report a hybrid nanomaterial comprising of one-dimensional ultrathin platinum nanowires grown on two-dimensional single-layered nickel hydroxide. Judicious surface chemistry to generate the fully exfoliated nickel hydroxide single layers is explored to be the key for controllable growth of ultrathin platinum nanowires with diameters of about 1.8 nm. Impressively, this hybrid nanomaterial exhibits superior electrocatalytic activity for hydrogen evolution reaction in alkaline solution, which outperforms currently reported catalysts, and the obviously improved catalytic stability. We believe that this work may lead towards the development of single-layered metal hydroxide-based hybrid materials for applications in catalysis and energy conversion.

引用

页数：8

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