DIALKYLAMINOBENZONITRILES AS FLUORESCENCE POLARITY PROBES FOR AQUEOUS SOLUTIONS OF CYCLODEXTRINS
作者： G. Sidney Cox , Paul J. Hauptman , Nicholas J. Turro
DOI: 10.1111/J.1751-1097.1984.TB03896.X
关键词:
摘要: Abstract— The dual fluorescence of 4-(N, N-dimethylamino)benzonitrile and N-diethylamino)-benzonitrile (DMABN DEABN, respectively), has been studied in aqueous solutions cyclodextrins. Fluorescence parameters (peak maximum, lifetime, relative intensity) have measured are found to be consistent with the formation complexes probe cyclodextrin. Enhanced emission twisted internal charge transfer state (TICT) is observed cyclodextrin, greatest effect for DMABN/α-cyclodextrin system. Our results promote further understanding both photophysical behavior DMABN complexation use dialkylaminobenzonitriles as polarity probes discussed.
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