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题名: Formation of Nanostructures of Hexaphenylsilole with Enhanced Color-Tunable Emissions
作者: Bhongale, Chetan Jagdish;Chang, Chih-Wei;Diau, Eric Wei-Guang;Hsu, Chain-Shu;Dong, Yongqiang;Tang, Ben-Zhong
贡献者: 化學系
日期: 2006-02
上传时间: 2013-02-05T02:21:14Z
出版者: Elsevier
摘要: Nanostructures of 1,1,2,3,4,5-hexaphenylsilole (HPS) of various types were obtained on simple reprecipitation with THF as solvent and water as non-solvent. The formation and evolution of these nanostructures were monitored with scanning electron microscopy. Using picosecond time-correlated single-photon counting, we observed enhanced emission and fluorescence lifetimes at volume fractions 70–90% of added water. We report the first enhanced color-tunable emissions of a conjugated organic compound (HPS) due to the formation of nanoflowers, nanoglobules and microglobules, and provide time scales for those nanostructures and the corresponding intermolecular interactions in the aggregates.
關聯: Chemical Physics Letters, 419(4-6): 444-449
显示于类别:[化學系] 期刊論文


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