三元阳离子钙钛矿光电探测器及阵列化图像传感

doi:10.3969/j.issn.1007-5461.2026.01.011

量子电子学报 ›› 2026, Vol. 43 ›› Issue (1): 131-140.doi: 10.3969/j.issn.1007-5461.2026.01.011

三元阳离子钙钛矿光电探测器及阵列化图像传感

付梦雨 1,2, 宋亚南 2, 王时茂 2, 陶汝华 2*, 孟钢 2

1 中国科学技术大学研究生院科学岛分院, 安徽合肥 230026; 2 中国科学院合肥物质科学研究院安徽光学精密机械研究所, 安徽合肥 230031

收稿日期:2024-01-31 修回日期:2024-02-28 出版日期:2026-01-28 发布日期:2026-01-28
通讯作者: E-mail: rhtao@aiofm.ac.cn E-mail:E-mail: rhtao@aiofm.ac.cn
作者简介:付梦雨 ( 1999 - ), 女, 安徽亳州人, 研究生, 主要从事半导体光电探测方面的研究。E-mail: fumengy@mail.ustc.edu.cn
基金资助:
国家自然科学基金 (62075223, 62211540009), 量子光学与光量子器件国家重点实验室开放课题 (KF202304)

Triple cation perovskite photodetector andarrayed image sensing

付梦雨 1,2, 宋亚南 2, 王时茂 2, 陶汝华 2*, 孟钢 2

1 Science Island Branch, Graduate School of University of Science and Technology of China, Hefei 230026, China;2 Anhui Institute of Optics and Fine Mechanics, HFIPS, Chinese Academy of Sciences, Hefei 230031, China

Received:2024-01-31 Revised:2024-02-28 Published:2026-01-28 Online:2026-01-28
Supported by:

摘要/Abstract

摘要： 利用光电性能优异、可通过低温溶液法制备的三元阳离子钙钛矿薄膜作为光吸收层, 制备成肖特基结型光电探测器。本文首先分析了该器件在625 nm光照下的光电探测性能, 当工作在0.5 V的反向偏压时, 该器件的响应度可达9.21 A⋅W−1 , 外量子效率约为1828%, 归一化探测率大于1010 Jones, 开关比可达102 量级。随后以该探测器为基础,构建了10 pixel × 10 pixel的光电探测器阵列, 并将其应用于图像传感。通过调节像素点大小提升了器件成像的性能, 最终得到了清晰的字母“I”的图案。本研究表明, 三元阳离子钙钛矿在光电探测领域具有广阔的应用前景, 为实现钙钛矿光电探测器阵列成像提供了一种简单有效的路线。

关键词: 光电信息, 薄膜光学, 三元阳离子钙钛矿, 光电探测器阵列结构, 反溶剂法, 图像传感

Abstract: Triple cation perovskite films with excellent photovoltaic performance, which can be prepared via low-temperature solution methods, were utilized as the light-absorbing layer to prepare a Schottky junction photodetector in this work. Firstly, the photoelectric performance of the device under 625 nm illumination was analyzed. It was found that when the device was operated at a reverse bias voltage of 0.5 V, the detector responsivity was up to 9.21 A ⋅ W−1 , with an external quantum efficiency of approximately 1828%, a normalized detectivity exceeding 1010 Jones, and an on/off ratio on the order of 102 . And then, a 10 pixel × 10 pixel photodetector array was constructed based on the detector and applied to image sensing. By adjusting the pixel size, the imaging performance of the device was enhanced, resulting in a clear pattern of the letter "I". This study demonstrates the promising application of triple cation perovskite in the field of photodetection, providing a simple and effective strategy for realizing imaging of perovskite photodetector arrays.

Key words: optoelectronic information, thin film optics, triple cation perovskite, photodetector array structure, anti-solvent method, image sensing

中图分类号:

O484

付梦雨宋亚南王时茂陶汝华孟钢. 三元阳离子钙钛矿光电探测器及阵列化图像传感[J]. 量子电子学报, 2026, 43(1): 131-140.

FU Mengyu , , SONG Yanan , WANG Shimao , TAO Ruhua, MENG Gang. Triple cation perovskite photodetector andarrayed image sensing[J]. Chinese Journal of Quantum Electronics, 2026, 43(1): 131-140.

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三元阳离子钙钛矿光电探测器及阵列化图像传感

Triple cation perovskite photodetector andarrayed image sensing

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