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Facile Synthesis of 3 D Platinum Dendrites with a Clean Surface as Highly Stable Electrocatalysts
Author(s) -
Wu Tian,
Zhou Hui Ming,
Xia Bao Yu,
Xiao Peng,
Yan Ya,
Xie Ming Shi,
Wang Xin
Publication year - 2014
Publication title -
chemcatchem
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.497
H-Index - 106
eISSN - 1867-3899
pISSN - 1867-3880
DOI - 10.1002/cctc.201400058
Subject(s) - nanostructure , nanorod , materials science , nanotechnology , platinum , adsorption , chemical engineering , nanoparticle , catalysis , carbon fibers , chemistry , organic chemistry , composite number , engineering , composite material
Pt nanostructures are intensively studied for many environmental and energy applications. Their synthesis normally involves capping agents/organic species or the assistance of templates/substrates, making the preparation process complicated. Therefore, it is still challenging to obtain Pt nanostructures with clean surface through a one‐step surfactant‐free method. We report herein the preparation of 3 D Pt nanodendrites with clean surface by a facile inorganic species assisted strategy. The possible specific adsorption of iron and nitrate ions would assist the growth of this 3 D Pt nanostructure. Thanks to its unique 3 D morphology composed of interconnected 1 D Pt nanorods/wires, the unsupported 3 D Pt nanodendrites exhibit higher stability and activity than commercial carbon black supported Pt nanoparticles and Pt black electrocatalysts for the oxygen reduction reaction and oxidation of small fuel molecules.