THE PREPARATION AND SPECTROSCOPIC STUDIES OF meso-PHENYL-TETRABEN ZOPORPHYRINS(Ⅱ)

doi:10.7517/j.issn.1674-0475.1996.03.237

Abstract

Abstract: In this paper,the preparation of meso-phenyl substituted tetrabenzoporphyrins (H₂-P_nTBP n=1～4)were performed by the demetalation of the corresponding Zn-P_nTBP in acid conditions.The behaviors of absorption,fluorescence and triplettriplet(T-T)absorp tion spectra were studied,and their fluorescence quantum yields,excited singlet-state and excited triplet-state lifetimes were measured. In addition,the dependence of fluorescence quenching of Zn-P₂TBP and H₂-P₂TBP on the solution concentration was studied.

Key words: meso-phenyl tetrabenzoporphyrins, absorption spectra, fluorescence spectrum, fluorescence quenching

HU Minxue, WANG Duoyuan. THE PREPARATION AND SPECTROSCOPIC STUDIES OF meso-PHENYL-TETRABEN ZOPORPHYRINS(Ⅱ)[J]. Imaging Science and Photochemistry, 1996, 14(3): 237-243.

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THE PREPARATION AND SPECTROSCOPIC STUDIES OF meso-PHENYL-TETRABEN ZOPORPHYRINS(Ⅱ)

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