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Research Article

Nanostructuring gold wires as highly durable nanocatalysts for selective reduction of nitro compounds and azides with organosilanes

Huifang Guo1, Xiuling Yan3, Yun Zhi1, Zhiwen Li3, Cai Wu1, Chunliang Zhao1, Jing Wang1, Zhixin Yu4, Yi Ding2,3( ), Wei He1( ), Yadong Li5
School of Medicine and Tsinghua-Peking Joint Center for Life SciencesTsinghua UniversityBeijing100084China
Institute for New Energy Materials and Low-Carbon Technologiesand School of Materials Science and EngineeringTianjin University of TechnologyTianjin300384China
School of Chemistry and Chemical EngineeringShandong UniversityJinan250100China
Department of Petroleum EngineeringUniversity of StavangerStavanger4036Norway
Department of ChemistryTsinghua UniversityBeijing100084China
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Abstract

A general method is developed to prepare durable hybrid nanocatalysts by nanostructuring the surface of gold wires via simple alloying and dealloying. The resulting nanoporous gold/Au (NPG/Au) wire catalysts possess nanoporous skins with their thicknesses on robust metal wires specified in a highly controllable manner. As a demonstration, the as-obtained NPG/Au was shown to be a highly active, chemo-selective, and recyclable catalyst for the reduction of nitro compounds and azides using organosilanes as reducing agents.

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Keywords

nanocatalystgoldcatalysisreduction

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Nano Research
Volume 8 Issue 4,
April 2015
Pages 1365-1372
DOI: 10.1007/s12274-015-0703-4

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Cite this article:
Guo H, Yan X, Zhi Y, et al. Nanostructuring gold wires as highly durable nanocatalysts for selective reduction of nitro compounds and azides with organosilanes. Nano Research, 2015, 8(4): 1365-1372. https://doi.org/10.1007/s12274-015-0703-4

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Received: 11 November 2014
Revised: 16 December 2014
Accepted: 21 December 2014
Published: 03 March 2015
© Tsinghua University Press and Springer‐Verlag Berlin Heidelberg 2015