Optical and photoelectric properties of copper phthalocyanine/cadmium sulphide multilayer films prepared by vacuum sublimation

被引：12
作者：
He, ZB [1 ]
Zhao, GL [1 ]
Han, GR [1 ]
机构：
[1] Zhejiang Univ, Dept Mat Sci & Engn, State Key Lab Silicon Mat, Hangzhou 310027, Peoples R China
来源：
PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE | 2006年 / 203卷 / 03期
关键词：
D O I：
10.1002/pssa.200421430
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Copper plithalocyanine (CuPc)/cadmium sulphide (CdS) multilayer films were prepared by vacuum sublimation. X-ray diffraction, secondary ion mass, and optical absorption spectra and photoconductive properties of the multilayer films were measured. The results showed that the multilayer films had a clearly alternating layered structure on a nanometre scale. The effects of the pair number and the substrate temperature on the photosensitivity of the multilayer films were studied. It was found that three-pair CuPc/CdS multilayer films at a substrate temperature of 150 degrees C had the maximum photosensitivity. The ratio of the photocurrent to the dark current was 7.1 x 10(3). The CuPc/CdS multilayer films had higher photosensitivity than CuPc/ZnS multilayer films.
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收藏
页码：518 / 525
页数：8
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