title: Efficient synthesis of Au₉₉(SR)₄₂ nanoclusters.
abstract: We report a new synthetic protocol of Au99(SPh)42 nanoclusters with moderate efficiency (∼15% yield based on HAuCl4), via a combination of the ligand-exchange and "size-focusing" processes. The purity of the as-prepared gold nanoclusters is characterized by matrix-assisted laser desorption ionization mass spectrometry and size exclusion chromatography.
authors.affiliation: State Key Laboratory of Catalysis & Gold Catalysis Researcher Centre, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China. gaoli@dicp.ac.cn.
authors.forename: Chao
authors.initials: C
authors.lastname: Liu
authors.forename: Jizhi
authors.initials: J
authors.lastname: Lin
authors.forename: Yangwei
authors.initials: Y
authors.lastname: Shi
authors.forename: Gao
authors.initials: G
authors.lastname: Li