Photoconduction and transport mechanisms in polycrystalline zincphthalocyanine thin films

被引：3
|
作者：
Senthilarasu, S. [1 ]
Lee, S. H. [1 ]
机构：
[1] Chonbuk Natl Univ, Sch Semicond & Chem Engn, Ctr Future Energy mat & Devices BK21, Res Ctr Ind Technol, Jeonju 561756, South Korea
来源：
CRYSTAL RESEARCH AND TECHNOLOGY | 2007年 / 42卷 / 05期
关键词：
ZnPc; vacuum evaporation; photoconduction; electronic transition; thin films; quantum mechanics calculations;
D O I：
10.1002/crat.200610856
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
Zincphthalocyanine (ZnPc) thin films were prepared by the vacuum evaporation method under a pressure of 10(-6) mbar. The X-ray diffraction analysis of vacuum evaporated ZnPc films reveals that the structure of the films is polycrystalline in nature. The photoconduction properties have been studied in the wavelength range 400 -800nm using suitable masks. The Photoconductivity of the films as a function of light intensity and applied voltage were studied and results were discussed in detail. The photoconduction was found to increase with higher light illumination and maximum at the band edge of the ZnPc thin film. (C) 2007 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
引用
收藏
页码：504 / 510
页数：7
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