STUDY ON THE PHOTOSENSITIZATION OF CARENE BY AROMATIC CYANIDE Ⅰ. THE FLUORESCENCE QUENCHING BEHAVIOR OF 9,10-DICYANOAN THRACENE BY CARENE

doi:10.7517/j.issn.1674-0475.1992.03.248

Imaging Science and Photochemistry ›› 1992, Vol. 10 ›› Issue (3): 248-252.DOI: 10.7517/j.issn.1674-0475.1992.03.248

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STUDY ON THE PHOTOSENSITIZATION OF CARENE BY AROMATIC CYANIDE Ⅰ. THE FLUORESCENCE QUENCHING BEHAVIOR OF 9,10-DICYANOAN THRACENE BY CARENE

HE HUI-ZHU, XIE JIE, WANG DUO-YUAN

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

Received:1991-07-18 Revised:1992-01-14 Online:1992-08-20 Published:1992-08-20

Abstract

Abstract: The fluorescene quenching properties of DCA by Carene in different solvents and the influence of solvent polarity on quenching rate constant as well as the temperature effect were investigated. The quenching rate constant k_q, and △G values in acetonitrile coincide with the Rehm-Weller’s theoretical results, Therefore the fluorescence quenching of DCA by Carene is of electron transfer dynamic quenching characteristic.

Key words: carene, 9,10-dicyanoanthracene, fluorescence quenching, electron transfer

HE HUI-ZHU, XIE JIE, WANG DUO-YUAN. STUDY ON THE PHOTOSENSITIZATION OF CARENE BY AROMATIC CYANIDE Ⅰ. THE FLUORESCENCE QUENCHING BEHAVIOR OF 9,10-DICYANOAN THRACENE BY CARENE[J]. Imaging Science and Photochemistry, 1992, 10(3): 248-252.

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STUDY ON THE PHOTOSENSITIZATION OF CARENE BY AROMATIC CYANIDE Ⅰ. THE FLUORESCENCE QUENCHING BEHAVIOR OF 9,10-DICYANOAN THRACENE BY CARENE

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