Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/103222
Title: Compressed hydrogen gas-induced synthesis of Au–Pt core–shell nanoparticle chains towards high-performance catalysts for Li–O 2 batteries
Authors: Li, Cheng Chao
Zhang, Wenyu
Ang, Huixiang
Yu, Hong
Xia, Bao Yu
Wang, Xin
Yang, Yan Hui
Zhao, Yang
Hng, Huey Hoon
Yan, Qingyu
Keywords: DRNTU::Engineering::Materials::Nanostructured materials
Issue Date: 2014
Source: Li, C. C., Zhang, W., Ang, H., Yu, H., Xia, B. Y., Wang, X., et al. (2014). Compressed hydrogen gas-induced synthesis of Au–Pt core–shell nanoparticle chains towards high-performance catalysts for Li–O2 batteries. Journal of materials chemistry a, 2(27), 10676-10681.
Series/Report no.: Journal of materials chemistry a
Abstract: Herein we reported a green synthetic route for the preparation of Au–Pt core–shell nanoparticle chains in a two-step route without the use of any surfactants. In the synthesis, compressed hydrogen was used as a reducing reagent, which also promoted the assembly of particle chains. The as-prepared monodispersed gold nanoparticles were manipulated by dipoles to form chain-like nanostructures under high pressure; meanwhile, in situ epitaxial growth of Pt shell on gold nanochains occurred, leading to the formation of Au–Pt core–shell nanoparticle chains. The resulting bimetallic Au–Pt core–shell chains showed excellent catalytic activity as cathodes in lithium oxygen batteries with a low charge–discharge over potential and outstanding cycle performance because of its clean catalytic surface, interconnected nanostructure, which provided a good electron path and innate synergistic effect.
URI: https://hdl.handle.net/10356/103222
http://hdl.handle.net/10220/24393
ISSN: 2050-7488
DOI: 10.1039/C4TA01475H
Rights: This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence.
Fulltext Permission: open
Fulltext Availability: With Fulltext
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