利用ZnPc作为光子场调制层的蓝色窄带光电倍增型有机光电探测器

IF 2.1 4区 工程技术 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC
Sampati Rao Sridhar;Medha Joshi;Brijesh Kumar
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引用次数: 0

摘要

本文以ZnPc为光子场调制层,制备了蓝色窄带光电倍增型有机光电探测器(OPD)。OPD中的光电倍增归因于电子阱辅助空穴注入机制。在PM OPD中,ZnPc改变了P3HT:PCBM有源层内光生载流子的分布,导致窄带检测。该研究首次展示了使用P3HT:PCBM有源层实现480 nm峰值响应的窄带PM OPD。该探测器的抑制比(EQE480 nm/EQE570 nm)为590,全宽半最大值(FWHM)为67 nm,光子场调制层为1000 nm厚的ZnPc。随着ZnPc层厚度从200 nm增加到1500 nm,探测器的FWHM从175 nm缩小到67 nm。所演示的响应峰位于蓝色区域的窄带光电探测器在通信和成像领域有着广泛的应用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Blue Narrowband Photomultiplication Type Organic Photodetector Using ZnPc as Photon Field Modulation Layer
In this work, a blue narrowband photomultiplication (PM) type organic photodetector (OPD) is fabricated with ZnPc as photon field modulation layer. The photomultiplication in OPD is attributed to electron trap assisted hole injection mechanism. In PM OPD, ZnPc altered the distribution of photogenerated charge carriers within the P3HT:PCBM active layer and results in narrowband detection. This study is the first to demonstrate a narrowband PM OPD with a peak response at 480 nm, using a P3HT:PCBM active layer. The detector demonstrated a rejection ratio (EQE480 nm/EQE570 nm) of 590, and a full width half maximum (FWHM) of 67 nm with 1000 nm thick ZnPc as photon field modulation layer. As the ZnPc layer thickness is increased from 200 nm to 1500 nm, the FWHM of the detector narrowed from 175 nm to 67 nm. The demonstrated narrowband photodetector with response peak in blue region has diverse applications in communication and imaging fields.
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来源期刊
IEEE Transactions on Nanotechnology
IEEE Transactions on Nanotechnology 工程技术-材料科学:综合
CiteScore
4.80
自引率
8.30%
发文量
74
审稿时长
8.3 months
期刊介绍: The IEEE Transactions on Nanotechnology is devoted to the publication of manuscripts of archival value in the general area of nanotechnology, which is rapidly emerging as one of the fastest growing and most promising new technological developments for the next generation and beyond.
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