PHOTOINDUCED INTRAMOLECULAR ELECTRON TRANSFER IN TRIAD COMPOUND ZINC PHTHALOCYANINE-VIOLOGEN-FERROCENCE AND ITS PHOTOELECTRIC EFFECT

doi:10.7517/j.issn.1674-0475.1993.04.349

Imaging Science and Photochemistry ›› 1993, Vol. 11 ›› Issue (4): 349-355.DOI: 10.7517/j.issn.1674-0475.1993.04.349

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PHOTOINDUCED INTRAMOLECULAR ELECTRON TRANSFER IN TRIAD COMPOUND ZINC PHTHALOCYANINE-VIOLOGEN-FERROCENCE AND ITS PHOTOELECTRIC EFFECT

ZHOU QlNG-FU, LIU JI-XIANG, XU HUI-JUN, XU JIN-MEI, JIA JIAN-GUANG, XIAO XU-RUI

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

Received:1992-11-05 Revised:1993-06-18 Online:1993-11-20 Published:1993-11-20

Abstract

Abstract: A novel amphiphilic triad compound was synthesized by linking viologen with zinc phthalocyanine and ferrocene by flexible chains.Absorption and fluorescence spectra as well as fluorescence lifetime have been determined.Time resolved transient absorption spectrum and time profile measurements show that photoinduced intramolecular electron transfer in the triad is more efficient than that in dyad, giving a final long-living charge-separated state with longer lifetime beyond 100 μs.A mechanism of two-step charge separation process was suggested.The thin films of the triad compound molecules in monolayer and multilayers were successfully deposited on SnO₂ substrate and photoelectric effect of the LB films were observed.

Key words: phthalocyanine, viologen, ferrocene, photoinduced electron transfer, LB film, photoelectric effect

ZHOU QlNG-FU, LIU JI-XIANG, XU HUI-JUN, XU JIN-MEI, JIA JIAN-GUANG, XIAO XU-RUI. PHOTOINDUCED INTRAMOLECULAR ELECTRON TRANSFER IN TRIAD COMPOUND ZINC PHTHALOCYANINE-VIOLOGEN-FERROCENCE AND ITS PHOTOELECTRIC EFFECT[J]. Imaging Science and Photochemistry, 1993, 11(4): 349-355.

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PHOTOINDUCED INTRAMOLECULAR ELECTRON TRANSFER IN TRIAD COMPOUND ZINC PHTHALOCYANINE-VIOLOGEN-FERROCENCE AND ITS PHOTOELECTRIC EFFECT

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