CuPc/C60 heterojunction photodetector with near-infrared spectral response

被引：20
|
作者：
Wei, Gaoyao [1 ]
Lu, Zhong [1 ]
Cai, Yichen [1 ]
Sui, Chenghua [1 ]
机构：
[1] Zhejiang Univ Technol, Coll Sci, Hangzhou 310023, Zhejiang, Peoples R China
来源：
MATERIALS LETTERS | 2017年 / 201卷
关键词：
CuPc/C-60; Photodetector; Near-infrared band; Detectivity; Organic; Semiconductors; DETECTIVITY;
D O I：
10.1016/j.matlet.2017.05.004
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Photodetector based on copper phthalocyanine/fullerene (CuPc/C-60) heterojunction with transparent indium tin oxide (ITO) and aluminum (Al) electrodes was prepared by thermal evaporation method at room temperature. The spectral response of ITO/CuPc/C-60/Al photodetector was broadened from ultraviolet-visible band to near-infrared band (800-1100 nm) at zero bias. The near-infrared detectivity under 800 nm illumination with light intensity of 0.016 mW/cm(2) was 4.5 x 10(11) cm.Hz(1/2)/W. And the near-infrared detectivities under 900 to 1100 nm illumination were also exhibited bigger than 10(10) cm.Hz(1/2)/W. Thus CuPc/C-60 heterojunction was one of the most promising materials for photodetectors with high detectivity and wide spectral rang. Those photodetectors can be used in a variety of possible sensor applications. (C) 2017 Elsevier B.V. All rights reserved.
引用
收藏
页码：137 / 139
页数：3
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