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Ultrathin Palladium Nanomesh for Electrocatalysis
Author(s) -
Ge Jingjie,
Wei Pei,
Wu Geng,
Liu Yudan,
Yuan Tongwei,
Li Zhijun,
Qu Yunteng,
Wu Yuen,
Li Hai,
Zhuang Zhongbin,
Hong Xun,
Li Yadong
Publication year - 2018
Publication title -
angewandte chemie
Language(s) - English
Resource type - Journals
eISSN - 1521-3757
pISSN - 0044-8249
DOI - 10.1002/ange.201800552
Subject(s) - nanomesh , palladium , electrocatalyst , mesoporous material , platinum , materials science , catalysis , nanotechnology , chemical engineering , graphene , chemistry , electrode , electrochemistry , organic chemistry , engineering
Abstract An ordered mesh of palladium with a thickness of about 3 nm was synthesized by a solution‐based oxidative etching. The ultrathin palladium nanomeshes have an interconnected two‐dimensional network of densely arrayed, ultrathin quasi‐nanoribbons that form ordered open holes. The unique mesoporous structure and high specific surface area make these ultrathin Pd nanomeshes display superior catalytic performance for ethanol electrooxidation (mass activity of 5.40 Am g −1 and specific activity of 7.09 mA cm −2 at 0.8 V vs. RHE). Furthermore, the regular mesh structure can be applied to support other noble metals, such as platinum, which exhibits extremely high hydrogen evolution reaction (HER) activity and durability.