PHOTOCHEMICAL BEHAVIOR OF ETHYLp(N,N-DIMETHYLAMINO) CINNAMATE IN MOLECULAR AGGREGATE

doi:10.7517/j.issn.1674-0475.1994.02.104

Imaging Science and Photochemistry ›› 1994, Vol. 12 ›› Issue (2): 104-109.DOI: 10.7517/j.issn.1674-0475.1994.02.104

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PHOTOCHEMICAL BEHAVIOR OF ETHYLp(N,N-DIMETHYLAMINO) CINNAMATE IN MOLECULAR AGGREGATE

WANG XIU-ZHI, LEI YI-XIONG, SoNG HUAI-HAI, LI MIAO-ZHEN, WANG ER-JIAN

Ihstitute of Photographic Chemistry, Academia Sinica, Beijing 100101, P. R. China

Received:1993-02-23 Revised:1993-06-02 Online:1994-05-20 Published:1994-05-20

Abstract

Abstract: The spectroscopic and Photochemical properties of ethyl p(N,N-dimethylamino)cinnamate(DMAC)in dodecanoic acid(LA)aggregate were reported.DMAC displays typical intramolecular charge transfer character in the absorption and emission spectra. The excimer fluoresceuce of DMAC Was observed in the presence of dodecanoic acid.The emissionintensity increases with the increaise of concentration of DMAC. The photodimerizationrate of DMAC becomes much greater in the dodecalloic acid aggregate than that in common solution. The results obtained from monitoring reaction process by using fluorescencespectroscopy show that the excimer of DMAC possesses higher photochemical activity thanthat of DMAC monomer.

Key words: p(N,N-dimethylamino)cinnamate, inverse micelle, excimer, photo dimerization reaction

WANG XIU-ZHI, LEI YI-XIONG, SoNG HUAI-HAI, LI MIAO-ZHEN, WANG ER-JIAN. PHOTOCHEMICAL BEHAVIOR OF ETHYLp(N,N-DIMETHYLAMINO) CINNAMATE IN MOLECULAR AGGREGATE[J]. Imaging Science and Photochemistry, 1994, 12(2): 104-109.

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PHOTOCHEMICAL BEHAVIOR OF ETHYLp(N,N-DIMETHYLAMINO) CINNAMATE IN MOLECULAR AGGREGATE

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