Extended spectral response in organic photomultiple photodetectors using multiple near-infrared dopants

Shao Tang Chuang, Shang Chieh Chien, Fang-Chung Chen*

*Corresponding author for this work

研究成果: Article同行評審

40 引文 斯高帕斯(Scopus)

摘要

We demonstrate highly sensitive polymer photodetectors (OPDs) with spectral response extending from the ultraviolet to the near-infrared (NIR) region (∼1200 nm). After doping two NIR dopants, high external quantum efficiencies (∼5500%) and high responsivities (23.0 A/W) are achieved under a low reverse bias (-3.7 V). The high gains could be attributed to unbalanced carrier transport in the photoactive layer arising from the electron traps at the NIR dopants. This approach allows the ready preparation of OPDs exhibiting broad spectral responses and high quantum efficiencies simultaneously.

原文English
文章編號013309
頁數3
期刊Applied Physics Letters
100
發行號1
DOIs
出版狀態Published - 2 一月 2012

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