LUMINESCENCE BEHAVIOR OF SUBSTITUTED DISTYRYL PYRAZINE ANALOAUES

doi:10.7517/j.issn.1674-0475.1995.01.7

Imaging Science and Photochemistry ›› 1995, Vol. 13 ›› Issue (1): 7-15.DOI: 10.7517/j.issn.1674-0475.1995.01.7

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LUMINESCENCE BEHAVIOR OF SUBSTITUTED DISTYRYL PYRAZINE ANALOAUES

LIZE-MIN, WU SHI-KANG

Institute of Photographic Chemistry, The Chinese Academy of Sciences Beijing 100101, P.R. China

Received:1993-11-10 Revised:1994-03-08 Online:1995-02-20 Published:1995-02-20

Abstract

Abstract: Three Kinds of substituted distyryl pyrazine derivatives were synthesized and characterized in this work.Their photophysical behavior and emission properties were studied.The causes of the strong emission for the aza-stilbene I,II with electron donating substittients and the weak emission for the compound Ⅲ with nitro-group were also discussed.It was considered that the weak proximity effect of compound Ⅲ was enhanced by the introduction of nitro-group which is the main reason bring about the results obtained in this paper.

Key words: pyrazine, photophysics, proximity effect, isomerization

LIZE-MIN, WU SHI-KANG. LUMINESCENCE BEHAVIOR OF SUBSTITUTED DISTYRYL PYRAZINE ANALOAUES[J]. Imaging Science and Photochemistry, 1995, 13(1): 7-15.

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LUMINESCENCE BEHAVIOR OF SUBSTITUTED DISTYRYL PYRAZINE ANALOAUES

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