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Defect‐Rich MoS 2 Ultrathin Nanosheets with Additional Active Edge Sites for Enhanced Electrocatalytic Hydrogen Evolution
Author(s) -
Xie Junfeng,
Zhang Hao,
Li Shuang,
Wang Ruoxing,
Sun Xu,
Zhou Min,
Zhou Jingfang,
Lou Xiong Wen David,
Xie Yi
Publication year - 2013
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.201302685
Subject(s) - tafel equation , overpotential , electrocatalyst , materials science , cathodic protection , enhanced data rates for gsm evolution , water splitting , nanotechnology , hydrogen , oxygen evolution , chemical engineering , catalysis , electrode , electrochemistry , chemistry , organic chemistry , telecommunications , photocatalysis , computer science , engineering
Defect‐rich MoS 2 ultrathin nanosheets are synthesized on a gram scale for electrocatalytic hydrogen evolution. The novel defect‐rich structure introduces additional active edge sites into the MoS 2 ultrathin nanosheets, which significantly improves their electrocatalytic performance. Low onset overpotential and small Tafel slope, along with large cathodic current density and excellent durability, are all achieved for the novel hydrogen‐evolution‐reaction electrocatalyst.