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具有极高外量子效率的增益型钙钛矿光电探测器的界面工程

Interface engineering for gain perovskite photodetectors with extremely high external quantum efficiency.

作者信息

Zhao Xinyu, Huang Lixiang, Wang Yukun, Zhu Xinglin, Li Lei, Li Guoxin, Sun Wenhong

机构信息

Research Center for Optoelectronic Materials and Devices, School of Physical Science and Technology, Guangxi University Nanning 530004 China

Key Laboratory of New Processing Technology for Nonferrous Metals and Materials (Ministry of Education), Guangxi University Nanning 530004 China.

出版信息

RSC Adv. 2020 Sep 4;10(54):32976-32983. doi: 10.1039/d0ra06618d. eCollection 2020 Sep 1.

DOI:10.1039/d0ra06618d
PMID:35516470
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9056631/
Abstract

Efficient CHNHPbI photodetectors (PDs) with an extremely high gain of the maximum external quantum efficiency (EQE) of 140 000% within the ultraviolet region to the near infrared region (NIR) and an extremely high responsivity () under a low bias of -5 V were successfully fabricated. The fabricated devices manifested outstanding environmental stability with only 10% degradation of EQE after being exposed to air for 24 h. These obtained results indicate the promising potential of perovskite PDs for visible light communication applications.

摘要

成功制备出高效的CHNHPbI光电探测器（PDs），其在紫外区域至近红外区域（NIR）内具有高达140000%的最大外量子效率（EQE）的极高增益，并且在-5 V的低偏压下具有极高的响应度（）。所制备的器件表现出出色的环境稳定性，在暴露于空气中24小时后，EQE仅下降10%。这些结果表明钙钛矿光电探测器在可见光通信应用中具有广阔的潜在前景。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/894f/9056631/b2e78adbb464/d0ra06618d-f7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/894f/9056631/86696032d23c/d0ra06618d-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/894f/9056631/c231a8bc6a94/d0ra06618d-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/894f/9056631/74d4b4291d94/d0ra06618d-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/894f/9056631/d25654a5759f/d0ra06618d-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/894f/9056631/312b4178d47b/d0ra06618d-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/894f/9056631/1dc7136440ba/d0ra06618d-f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/894f/9056631/b2e78adbb464/d0ra06618d-f7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/894f/9056631/86696032d23c/d0ra06618d-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/894f/9056631/c231a8bc6a94/d0ra06618d-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/894f/9056631/74d4b4291d94/d0ra06618d-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/894f/9056631/d25654a5759f/d0ra06618d-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/894f/9056631/312b4178d47b/d0ra06618d-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/894f/9056631/1dc7136440ba/d0ra06618d-f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/894f/9056631/b2e78adbb464/d0ra06618d-f7.jpg

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