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

Liang Wang, Yihan Zhu, Jian-Qiang Wang, Fudong Liu, Jianfeng Huang, Xiangju Meng, Jean-Marie Basset, Yu Han, Feng-Shou Xiao

Research output: Contribution to journalArticlepeer-review

79 Scopus citations

Abstract

Efficient 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.
Original languageEnglish (US)
JournalNature Communications
Volume6
Issue number1
DOIs
StatePublished - Apr 22 2015

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