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Efficient synthesis of Au₉₉(SR)₄₂ nanoclusters
Chao Liu1, Jizhi Lin, Yangwei Shi
1State Key Laboratory of Catalysis & Gold Catalysis Researcher Centre, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China. gaoli@dicp.ac.cn.
Nanoscale
|March 17, 2015
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.
