发光学报2024，Vol.45Issue(4)：621-629,9.DOI:10.37188/CJL.20240007
具有宽带-窄带双功能探测模式的光电探测器
Photodetector with Broadband-narrowband Dual-function Detection Mode
摘要
Abstract
Currently,photodetectors with broadband-narrowband dual-mode detection modes are popular in special applications.Traditional photodetectors with dual-mode detection modes are achieved by adding different filters to the broadband photodetectors.However,complex optical components increase the manufacturing cost of photodetec-tors and the complexity of device integration.Based on the above problems,we prepared MAPbCl3/MAPbBr3 perovskite single crystal heterojunction through a simple solution hot pressing method,and built a photodetector with adjustable detection band based on the single crystal heterostructure.When the incident light is incident from the side of the MAPbCl3 single crystal,the device shows high responsivity(∼0.05 A·W-1)and high spectral suppression ratio(∼55)only to the visible part(400-600 nm),and its rise time and decay time are 4.1 μs and 620 μs.When the light is incident from the side of the MAPbBr3 single crystal,the device has an obvious and continuous light response to the ultraviolet-visible part(300-600 nm).Therefore,our proposed solution hot pressing method and single-crystal heterostructure provide an effective solution for the preparation of high-performance photodetectors with tunable de-tection wavelengths.关键词
光电探测器/钙钛矿/单晶/多波段探测Key words
photodetector/perovskite/single crystal/multi-band detection分类
信息技术与安全科学引用本文复制引用
姜岩,高峰,李林..具有宽带-窄带双功能探测模式的光电探测器[J].发光学报,2024,45(4):621-629,9.基金项目
国家自然科学基金(62304063,12074095) （62304063,12074095）
黑龙江省自然科学基金(LH2023A011,JQ2022A002)Supported by National Natural Science Foundation of China(62304063,12074095) （LH2023A011,JQ2022A002）
Natural Science Foundation of Heilong-jiang(LH2023A011,JQ2022A002) （LH2023A011,JQ2022A002）
