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Nano Research 2015, 8(4): 1365-1372 https://doi.org/10.1007/s12274-015-0703-4
Research Article | Issue | Published: 03 March 2015

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

Show Author's Information 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
Keywords:
catalysis, gold, nanocatalyst, reduction
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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Abstract Full text Electronic supplementary material About this article

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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Electronic supplementary material
About this article

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

Show Author's information 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

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.

Keywords: catalysis, gold, nanocatalyst, reduction

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Publication history
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Acknowledgements

Publication history

Received: 11 November 2014
Revised: 16 December 2014
Accepted: 21 December 2014
Published: 03 March 2015
Issue date: April 2015

Copyright

© Tsinghua University Press and Springer‐Verlag Berlin Heidelberg 2015

Acknowledgements

Acknowledgements

This work was supported by financial support from the Tsinghua-Peking Joint Center for Life Sciences, the National Basic Research Program of China (Nos. 2012CB224802 and 2012CB932800), and the National Natural Science Foundation of China (Nos. 21371107 and 51171092). Y. D. is a Tai-Shan Scholar supported by the Fundamental Research Funds of Shandong University and he also acknowledges the Otto Mønsteds Fond for a visiting professorship at the Technical University of Denmark (DTU).

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