title: Two-dimensional gold nanostructures with high activity for selective oxidation of carbon-hydrogen bonds.
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.
authors.affiliation: Key Lab of Applied Chemistry of Zhejiang Province, Department of Chemistry, Zhejiang University, Hangzhou 310028, China.
authors.forename: Liang
authors.initials: L
authors.lastname: Wang
authors.affiliation: Advanced Membranes and Porous Materials Center, Physical Sciences and Engineering Division, King Abdullah University of Science and Technology, Thuwal 23955-6900, Kingdom of Saudi Arabia.
authors.forename: Yihan
authors.initials: Y
authors.lastname: Zhu
authors.affiliation: Key Laboratory of Interfacial Physics and Technology, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China.
authors.forename: Jian-Qiang
authors.initials: JQ
authors.lastname: Wang
authors.affiliation: Research Center for Eco-Enviromental Sciences, Chinese Academy of Sciences, Beijing 100085, China.
authors.forename: Fudong
authors.initials: F
authors.lastname: Liu
authors.affiliation: Advanced Membranes and Porous Materials Center, Physical Sciences and Engineering Division, King Abdullah University of Science and Technology, Thuwal 23955-6900, Kingdom of Saudi Arabia.
authors.forename: Jianfeng
authors.initials: J
authors.lastname: Huang
authors.affiliation: Key Lab of Applied Chemistry of Zhejiang Province, Department of Chemistry, Zhejiang University, Hangzhou 310028, China.
authors.forename: Xiangju
authors.initials: X
authors.lastname: Meng
authors.affiliation: KAUST Catalysis Center, King Abdullah University of Science and Technology, Thuwal 23955-6900, Kingdom of Saudi Arabia.
authors.forename: Jean-Marie
authors.initials: JM
authors.lastname: Basset
authors.affiliation: Advanced Membranes and Porous Materials Center, Physical Sciences and Engineering Division, King Abdullah University of Science and Technology, Thuwal 23955-6900, Kingdom of Saudi Arabia.
authors.forename: Yu
authors.identifier: http://orcid.org/0000-0003-1462-1118
authors.initials: Y
authors.lastname: Han
authors.affiliation: Key Lab of Applied Chemistry of Zhejiang Province, Department of Chemistry, Zhejiang University, Hangzhou 310028, China.
authors.forename: Feng-Shou
authors.initials: FS
authors.lastname: Xiao