Photo-Induced Fluorescence Enhancement of BOPIM–dma in Moderate Polar Solvents

Jin Dong Gong; Wei Zhang; Ping Shen; Ming Xun Yan; Chang Ying Yang

doi:10.4028/www.scientific.net/AMM.488-489.193

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 488-489Photo-Induced Fluorescence Enhancement of...

Photo-Induced Fluorescence Enhancement of BOPIM–dma in Moderate Polar Solvents

Abstract:

The photo-induced fluorescence enhancement for a BOPIM derivate, which was found weak or no fluorescence in solvents due to twisted intramolecular charge transfer (TICT) was investigated. The quenching process because of TICT state is substantially removed and fluorescence emission intensity increased remarkably, induced by UV-irradiation. This phenomenon could only found in moderate polar solvent, such as CHCl₃, THF and 1, 4-dioxane (DIOX), but not in more polarity solvent, such as CH3CN, CH3OH. It is indicated that the transformation from TICT to ICT state take place easily in moderate polar solvents.

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Periodical:

Applied Mechanics and Materials (Volumes 488-489)

Pages:

193-196

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.488-489.193

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Online since:

January 2014

Authors:

Jin Dong Gong, Wei Zhang, Ping Shen, Ming Xun Yan, Chang Ying Yang*

Keywords:

BOPIM-DMA, Photo-Induced Fluorescence Enhancement (PIFE), Twisted Intramolecular Charge Transfer (TICT), Uv Irradiation

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