A STUDY ON THE PHOTOEMISSION BEHAVIOR OF INTRA-MOLECULAR CHARGE TRANSFER COMPOUNDS--N,N-DIMETHYLAMINOSTYRYLMALONONITRILE

doi:10.7517/j.issn.1674-0475.1993.01.28

Abstract

Abstract: In this work, two new intramolecular charge transfer compounds [Bis(p-N,N-dimethyl-aminostyryl)malononitrile (Ⅰ) and (p-N, N-dimethylaminostyryl)phenylmalononitrile(Ⅱ)] were synthesized and characterized. The spectra and photophysical behavior were studied in diffe-cent solvents. Results showed that the fluorescence quantum yield for compound (Ⅰ) increased, but that for compound (Ⅱ) had a maximum with the increasing of the solvent polarity. This phenomenon was discussed preliminarily.

Key words: intramolecular charge transfer, p-N,N-dimethylaminostyrylmalononitrile, fluorescence quantum yield, solvatochromism

WANG PENG-FEI, WU SHI-KANG. A STUDY ON THE PHOTOEMISSION BEHAVIOR OF INTRA-MOLECULAR CHARGE TRANSFER COMPOUNDS--N,N-DIMETHYLAMINOSTYRYLMALONONITRILE[J]. Imaging Science and Photochemistry, 1993, 11(1): 28-34.

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A STUDY ON THE PHOTOEMISSION BEHAVIOR OF INTRA-MOLECULAR CHARGE TRANSFER COMPOUNDS--N,N-DIMETHYLAMINOSTYRYLMALONONITRILE

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