THE DOPING EFFECT OF SILVER HALIDE EMULSION MICROCRYSTALS Ⅲ. Cu2+-DOPING

doi:10.7517/j.issn.1674-0475.1988.03.52

Imaging Science and Photochemistry ›› 1988, Vol. 6 ›› Issue (3): 52-56.DOI: 10.7517/j.issn.1674-0475.1988.03.52

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THE DOPING EFFECT OF SILVER HALIDE EMULSION MICROCRYSTALS Ⅲ. Cu²⁺-DOPING

FAN SU-YUE, PENG BI-XIAN

Institute of Photographic Chemistry, Academia Sinica, Beijing

Received:1987-06-05 Revised:1987-12-19 Online:1988-08-20 Published:1988-08-20

Abstract

Abstract: Cu²⁺-doping effect on silver halide microcrystals was studied for the correlation of the ionic conductivity, electronic conductivity of silver halide microcrystals and their photographic properties. It was found that the interaction of cupric ion with photocarriers alters the photographic property of silver halide emulsion microcrystals, in particular, decreases the photographic sensitivity substantially. The dielectric loss and microwave photoconductivity measurements suggest that the specific effect of cupric ion on the photographic behavior is mainly due to the deep electron-trapping of Cu²⁺ on the silver halide emulsion microcrystals.

Key words: cupric ion, doping effect, silver halide, electric property

FAN SU-YUE, PENG BI-XIAN. THE DOPING EFFECT OF SILVER HALIDE EMULSION MICROCRYSTALS Ⅲ. Cu²⁺-DOPING[J]. Imaging Science and Photochemistry, 1988, 6(3): 52-56.

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THE DOPING EFFECT OF SILVER HALIDE EMULSION MICROCRYSTALS Ⅲ. Cu²⁺-DOPING

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