Structure Optimization of Organic/Inorganic Photosensitive Diode Based on PTCDA

LIU Jin-feng; YAO bo; ZHENG Ting-cai; PENG Ying-quan

doi:10.3788/fgxb20143502.0218

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Structure Optimization of Organic/Inorganic Photosensitive Diode Based on PTCDA

更新时间：2020-08-12

- Structure Optimization of Organic/Inorganic Photosensitive Diode Based on PTCDA
- Chinese Journal of Luminescence Vol. 35, Issue 2, Pages: 218-223(2014)
- 作者机构：
  
  1. 兰州大学物理学院微电子研究所, 甘肃兰州 730000
  2. 兰州大学磁学与磁性材料教育部重点实验室,甘肃兰州,730000
- 作者简介：
- 基金信息：
- DOI：10.3788/fgxb20143502.0218
  CLC： TN386
- Received：22 September 2013，
  
  Revised：28 October 2013，
  
  Published：03 February 2014
- 稿件说明：
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刘金凤, 姚博, 郑挺才等. 基于PTCDA的有机/无机光敏二极管结构优化[J]. 发光学报, 2014,35(2): 218-223

LIU Jin-feng, YAO bo, ZHENG Ting-cai etc. Structure Optimization of Organic/Inorganic Photosensitive Diode Based on PTCDA[J]. Chinese Journal of Luminescence, 2014,35(2): 218-223
刘金凤, 姚博, 郑挺才等. 基于PTCDA的有机/无机光敏二极管结构优化[J]. 发光学报, 2014,35(2): 218-223 DOI： 10.3788/fgxb20143502.0218.

LIU Jin-feng, YAO bo, ZHENG Ting-cai etc. Structure Optimization of Organic/Inorganic Photosensitive Diode Based on PTCDA[J]. Chinese Journal of Luminescence, 2014,35(2): 218-223 DOI： 10.3788/fgxb20143502.0218.

摘要

以p型硅和苝四甲酸二酐（perylene-3，4，9，10-tetracarboxylic acid dianhydride，PTCDA）为异质结，梳状金（Au）薄膜作为顶电极和光入射窗口制备了光敏二极管。研究表明，PTCDA的厚度和Au电极的厚度对光敏二极管的光响应度有很大的影响。对比不同PTCDA厚度的器件性能，在PTCDA厚度为100 nm时，光响应度最高达到0.3 A/W。进而采用最优化的100 nm厚的PTCDA薄膜制备硅基光敏二极管，对比不同Au电极厚度的器件性能。在Au厚度为20 nm时，器件的光响应度达到最优化的0.5 A/W。

Abstract

A photodetector was prepared by a heterojunction of p-type silicon and (perylene-3

10-tetracarboxylic acid dianhydride) PTCDA

with comb-shape Au thin film acting as electrode and light-incident window. The experiment results show that the thickness of PTCDA and Au film have a great influence on the photoresponsivity and the external quantum efficiency of the photosensitive diode. The light responsivity can reach the maximum value of 0.3 A/W when PTCDA thickness is 100 nm. Then

the devices with the optimized 100 nm PTCDA and different thickness of Au electrode were fabricated. The optimal light responsivity can reach 0.5 A/W with 20 nm Au thickness.

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references

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