Graphdiyne-WS2 2D-Nanohybrid electrocatalysts for high-performance hydrogen evolution reaction

doi:10.1016/j.carbon.2017.12.024

CORC > 化学研究所 > 中国科学院化学研究所

	Graphdiyne-WS2 2D-Nanohybrid electrocatalysts for high-performance hydrogen evolution reaction
	Yao, Yao 1,2; Jin, Zhiwen 1; Chen, Yanhuan 3; Gao, Zhenfei 1; Yan, Junqin 1; Liu, Huibiao 3; Wang, Jizheng 3; Li, Yuliang 3; Liu, Shengzhong (Frank)1,4
刊名	CARBON
	2018-04-01
卷号	129 页码:228-235
关键词	Graphdiyne Ws2 Hybrid Hydrogen Evolution Reaction Electrocatalyst
ISSN号	0008-6223
DOI	10.1016/j.carbon.2017.12.024
英文摘要	Layered two-dimension (2D) materials have attracted substantial interest as alternative catalysts for hydrogen evolution reaction (HER). However, there exists a significant challenge in that is the only limited density of active sites concentrated at the layer edges. Herein, for the first time, graphdiyne (GD), a new generation of 2D carbon allotrope developed from the graphene family, is found to be an effective stabilizer and also a reducing agent when it is used to form a layered 2D-nanohybrid (GD-WS2 2D-NH) with WS2 owing to its highly conjugated electronic structure and low reduction potential. Further study shows that the layered GD-WS2 2D-NH synthesized with abundant active edges. Such defect-rich structure with large surface area renders ultrahigh catalytic activity and durability for HER in acidic media. Furthermore, owing to the built-in electric field formed among dissimilar layers (GD and WS2), the enhanced charge transfer leads to high activity of the basal plane sites that were inactive for the HER. As a result, the GD-WS2 2D-NH catalyst presents a reduced HER onset potential as small as 140 mV and a superior Tafel slope as low as 54 mV per decade, making the GD-WS2 2D-NH a promising stable catalyst for the HER reaction. (C) 2017 Elsevier Ltd. All rights reserved.
语种	英语
出版者	PERGAMON-ELSEVIER SCIENCE LTD
WOS记录号	WOS:000424885800025
内容类型	期刊论文
源URL	[http://ir.iccas.ac.cn/handle/121111/45677]
专题	中国科学院化学研究所
通讯作者	Jin, Zhiwen; Wang, Jizheng; Li, Yuliang; Liu, Shengzhong (Frank)
作者单位	1.Shaanxi Normal Univ, Sch Mat Sci & Engn, Shaanxi Key Lab Adv Energy Devices,Shaanxi Engn L, Key Lab Appl Surface & Colloid Chem,Natl Minist E, Xian 710119, Shaanxi, Peoples R China 2.Ningxia Normal Univ, Coll Chem & Chem Engn, Engn & Technol Res Ctr Liupanshan Resources, Guyuan 756000, Peoples R China 3.Chinese Acad Sci, Beijing Natl Lab Mol Sci, Inst Chem, Key Lab Organ Solids, Beijing 100190, Peoples R China 4.Chinese Acad Sci, Dalian Inst Chem Phys, iChEM, Dalian Natl Lab Clean Energy, Dalian 116023, Peoples R China
推荐引用方式 GB/T 7714	Yao, Yao,Jin, Zhiwen,Chen, Yanhuan,et al. Graphdiyne-WS2 2D-Nanohybrid electrocatalysts for high-performance hydrogen evolution reaction[J]. CARBON,2018,129:228-235.
APA	Yao, Yao.,Jin, Zhiwen.,Chen, Yanhuan.,Gao, Zhenfei.,Yan, Junqin.,...&Liu, Shengzhong .(2018).Graphdiyne-WS2 2D-Nanohybrid electrocatalysts for high-performance hydrogen evolution reaction.CARBON,129,228-235.
MLA	Yao, Yao,et al."Graphdiyne-WS2 2D-Nanohybrid electrocatalysts for high-performance hydrogen evolution reaction".CARBON 129(2018):228-235.