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Nature Research, Nature Communications, 1(6), 2015

DOI: 10.1038/ncomms7957

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Two-dimensional gold nanostructures with high activity for selective oxidation of carbon–hydrogen bonds

Journal article published in 2015 by Liang Wang, Yihan Zhu ORCID, Jian-Qiang Wang, Fudong Liu, Jianfeng Huang, Xiangju Meng, Jean-Marie Basset ORCID, Yu Han ORCID, Feng-Shou Xiao
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

AbstractEfficient synthesis of stable two-dimensional (2D) noble metal catalysts is a challenging topic. Here we report the facile synthesis of 2D gold nanosheets via a wet chemistry method, by using layered double hydroxide as the template. Detailed characterization with electron microscopy and X-ray photoelectron spectroscopy demonstrates that the nanosheets are negatively charged and [001] oriented with thicknesses varying from single to a few atomic layers. X-ray absorption spectroscopy reveals unusually low gold–gold coordination numbers. These gold nanosheets exhibit high catalytic activity and stability in the solvent-free selective oxidation of carbon–hydrogen bonds with molecular oxygen.