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Hydrogen Electrocatalysis: Self‐Assembly of Large‐Area 2D Polycrystalline Transition Metal Carbides for Hydrogen Electrocatalysis (Adv. Mater. 50/2018)
Author(s) -
Zang Xining,
Chen Wenshu,
Zou Xiaolong,
Hohman J. Nathan,
Yang Lujie,
Li Buxuan,
Wei Minsong,
Zhu Chenhui,
Liang Jiaming,
Sanghadasa Mohan,
Gu Jiajun,
Lin Liwei
Publication year - 2018
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.201870385
Subject(s) - electrocatalyst , materials science , lamellar structure , transition metal , carbide , hydrogen , crystallite , nanotechnology , carbonization , metal , chemical engineering , catalysis , metallurgy , electrode , composite material , chemistry , electrochemistry , organic chemistry , scanning electron microscope , engineering
In article 1805188 , Xining Zang, Jiajun Gu, Liwei Lin, and co‐workers develop a self‐assembly process to synthesize two‐dimensional transition metal carbides (≈10 nm thickness and ≈100 µm lateral size). The metal ions (Mo, Co, W) self‐organize within a gelatin template into a lamellar nanostructure (metallo‐hydrogel). Subsequent carbonization at moderate temperatures in a reducing atmosphere (600 °C) yields ultrathin 2D‐TMC sheets with high conductivity and rich active sites ideal for the hydrogen evolution reaction (HER).