Electronic Spectroscopy of Anthraquinone Containing Bilayer Membranes

Chem. J. Chinese Universities ›› 1994, Vol. 15 ›› Issue (11): 1678.

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Electronic Spectroscopy of Anthraquinone Containing Bilayer Membranes

LIU Chun-Jing¹, TIAN Yong-Chi¹, LI Guo-Wen¹, LIANG Ying-Qiu²

1. Institute of Theoretical Chemistry, Jilin University, Changchun, 130023;
2. Department of Chemistry, Nanjing Univeristy, Nanjing

Received:1993-11-29 Revised:1994-07-19 Online:1994-11-24 Published:1994-11-24

Abstract

Abstract: Asingle-chain ammonium amphiphile(ANQU) which contains the anthraquinone chromophore formed stable bilayer membranes in water.The absorption and fluorescence spectra show the aggregate structure.The absorption spectra of ANQUaqueous sample show a considerable red shift relative to that observed in organic media(ethanol).Large red shift is also observed in the gel state, in contrast to that in liquid-crystalline state.These results indicate that the molecular packing mode in bilayer is J-aggregate, which is explained by the head-to-tail anthraquinone chromophore orientation. Both the fluorescence intensity and the peak location of anthraquinone chromophore are sensitively affected by the change in the bilayer physical state.

Key words: Electronic spectroscopy, Aggregate, Bilayer membrane, Amphiphile

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LIU Chun-Jing, TIAN Yong-Chi, LI Guo-Wen, LIANG Ying-Qiu. Electronic Spectroscopy of Anthraquinone Containing Bilayer Membranes[J]. Chem. J. Chinese Universities, 1994, 15(11): 1678.

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Electronic Spectroscopy of Anthraquinone Containing Bilayer Membranes

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