High-performance omnidirectional self-powered photodetector constructed by CsSnBr3/ITO heterostructure film

Q1 Engineering Journal of Electronic Science and Technology Pub Date : 2023-06-01 DOI:10.1016/j.jnlest.2023.100196

Dong Liu , Feng-Jing Liu , Jie Zhang , Zi-Xu Sa , Ming-Xu Wang , Sen Po Yip , Jun-Chen Wan , Peng-Sheng Li , Zai-Xing Yang

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引用次数: 3

Abstract

Omnidirectional photodetectors attract enormous attention due to their prominent roles in optical tracking systems and omnidirectional cameras. However, it is still a challenge for the construction of high-performance omnidirectional photodetectors where the incident light can be effectively absorbed in multiple directions and the photo-generated carriers can be effectively collected. Here, a high-performance omnidirectional self-powered photodetector based on the CsSnBr₃/indium tin oxide (ITO) heterostructure film was designed and demonstrated. The as-fabricated photodetector exhibited excellent self-powered photodetection performance, showing responsivity and detectivity up to 35.1 mA/W and 1.82 × 10¹⁰ Jones, respectively, along with the smart rise/decay response time of 4 ms/9 ms. Benefitting from the excellent photoelectric properties of the CsSnBr₃ film as well as the ability of the CsSnBr₃/ITO heterostructure to efficiently separate and collect photo-generated carriers, the as-fabricated photodetector also exhibited excellent omnidirectional self-powered photodetection performance. All the results have certified that this work finds an efficient way to realize high-performance omnidirectional self-powered photodetectors.

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由CsSnBr3/ITO异质结构薄膜构建的高性能全向自供电光电探测器

全向光电探测器由于其在光学跟踪系统和全向相机中的重要作用而受到广泛关注。然而，如何在多个方向上有效地吸收入射光，并有效地收集光生成的载流子，构建高性能的全向光电探测器仍然是一个挑战。本文设计并演示了一种基于CsSnBr3/氧化铟锡(ITO)异质结构薄膜的高性能全向自供电光电探测器。所制备的光电探测器具有优异的自供电光电探测性能，其响应率和探测率分别高达35.1 mA/W和1.82 × 1010 Jones，智能上升/衰减响应时间为4 ms/9 ms。得益于CsSnBr3薄膜优异的光电性能以及CsSnBr3/ITO异质结构对光生载流子的高效分离和收集能力，所制备的光电探测器也表现出优异的全向自供电光电探测性能。所有结果都证明了本工作为实现高性能全向自供电光电探测器找到了一条有效途径。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Electronic Science and Technology Engineering-Electrical and Electronic Engineering

CiteScore

4.30

自引率

0.00%

发文量

1362

审稿时长

99 days

期刊介绍： JEST (International) covers the state-of-the-art achievements in electronic science and technology, including the most highlight areas: ¨ Communication Technology ¨ Computer Science and Information Technology ¨ Information and Network Security ¨ Bioelectronics and Biomedicine ¨ Neural Networks and Intelligent Systems ¨ Electronic Systems and Array Processing ¨ Optoelectronic and Photonic Technologies ¨ Electronic Materials and Devices ¨ Sensing and Measurement ¨ Signal Processing and Image Processing JEST (International) is dedicated to building an open, high-level academic journal supported by researchers, professionals, and academicians. The Journal has been fully indexed by Ei INSPEC and has published, with great honor, the contributions from more than 20 countries and regions in the world.