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NCUEIR > College of Science > Department of Chemistry > Periodical Articles > Item 987654321/15462

Please use this identifier to cite or link to this item: http://ir.ncue.edu.tw/ir/handle/987654321/15462

Title:	Formation of Nanostructures of Hexaphenylsilole with Enhanced Color-Tunable Emissions
Authors:	Bhongale, Chetan Jagdish;Chang, Chih-Wei;Diau, Eric Wei-Guang;Hsu, Chain-Shu;Dong, Yongqiang;Tang, Ben-Zhong
Contributors:	化學系
Date:	2006-02
Issue Date:	2013-02-05T02:21:14Z
Publisher:	Elsevier
Abstract:	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.
Relation:	Chemical Physics Letters, 419(4-6): 444-449
Appears in Collections:	[Department of Chemistry] Periodical Articles

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