DARK-AND PHOTO-CONDUCTIVITIES OF α-COPPER PHTH-ALOCYANINE EVAPORATED FILM AND ITS BI-LAYER FILM WITH PVK-TNF

doi:10.7517/j.issn.1674-0475.1991.03.216

Abstract

Abstract: Dark and photo-conductivities of the α-PcCu evaporated film prepared at slow evaporation rate were studied.The photo- to dark-current ratio could reach the order of 10⁴ under an irradiation of 123mW/cm² from a tungsten lamp and an electrical field of 5×10² V/cm, whereas the bi-layer film which was comprised of a-PcCu evaporated film and PVK-TNF (1:0.5) solution film had good reproducibility in electrical conductivity.The photo- to dark-current ratio of bi-layer film could also reach about 10³ and retained good photoconductivity even in air for 500 days.

Key words: copper phthalocyanine, polyvinylcarbazole-2,4,7-trinitrofluorenone, complex

SHI ZU-RONC, ZHANG JING-WEN. DARK-AND PHOTO-CONDUCTIVITIES OF α-COPPER PHTH-ALOCYANINE EVAPORATED FILM AND ITS BI-LAYER FILM WITH PVK-TNF[J]. Imaging Science and Photochemistry, 1991, 9(3): 216-220.

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DARK-AND PHOTO-CONDUCTIVITIES OF α-COPPER PHTH-ALOCYANINE EVAPORATED FILM AND ITS BI-LAYER FILM WITH PVK-TNF

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