Investigation of Photoelectric Conversion from an Novel Charge Transfer Compound of a Hemicyanine Dye Containing Zinc Complex Anion

Abstract

Abstract: Anew type of charge transfer complex of a hemicyanine dye containing zinc complex anion:[(CH₃)₂NC₆H₄ CHCH C₁₀ H₆NC₁₈ H₃₇]₂Zn(dmit)₂(where dmit=4,5-dimercato-1,3-dithiole-2-thione)(A₂S) has been studied on its LBfilm property and photoelectric conversion from its LBfilm modified ITOelectrode compared with a hemicyanine dye iodide: (CH₃)₂NC₆H₄ CHCH C_!0 H₆NC₁₈ H₃₇ I(AI). The results show that the quantum yield of A₂Sis 1.8-fold increased in comparison with that for AI. This can be explained by the fact that when the conductive zinc complex anion is used to replace I - to form hemicyanine complex, the LBfilm property can be improved and also the charge separation of the hemicyanine dye become more effective. This kind of compound can be evaluated as a promising photoelectric conversion material.

Key words: Hemicyanine dye, Znic complex anion, LB film, ITO-electrode, Photoelectric conversion

CLC Number:

O646

TrendMD:

LANG Ai-Dong, HUANG Chun-Hui, GAN Liang-Bing . Investigation of Photoelectric Conversion from an Novel Charge Transfer Compound of a Hemicyanine Dye Containing Zinc Complex Anion[J]. Chem. J. Chinese Universities, 1998, 19(12): 1881.

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Investigation of Photoelectric Conversion from an Novel Charge Transfer Compound of a Hemicyanine Dye Containing Zinc Complex Anion

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