High-performance photodetector based on quasi-two-dimensional Ruddlesden-Popper perovskite PEA2FA2Pb3Br10 film

被引：4

作者：

Yang, Jie ^{[1
]}

Li, Chen ^{[2
]}

Wei, Xiaoyan ^{[1
]}

Huang, Yexiong ^{[1
]}

Wu, Daofu ^{[3
]}

Lai, Jun'an ^{[3
]}

Pi, Mingyu ^{[4
]}

Luo, Linbao ^{[2
]}

Tang, Xiaosheng ^{[5
]}

机构：

[1] Chongqing Normal Univ, Coll Phys & Elect Engn, Chongqing 401331, Peoples R China

[2] Hefei Univ Technol, Sch Elect Sci & Appl Phys, Hefei 230009, Anhui, Peoples R China

[3] Chongqing Univ, Coll Optoelect Engn, Key Lab Optoelect Technol & Syst, Minist Educ, Chongqing 400044, Peoples R China

[4] Nanjing Univ, Coll Engn & Appl Sci, Nanjing 210093, Peoples R China

[5] Chongqing Univ Posts & Telecommun, Coll Optoelect Engn, Chongqing 400065, Peoples R China

来源：

APPLIED PHYSICS LETTERS | 2024年 / 124卷 / 01期

基金：

中国国家自然科学基金; 中国博士后科学基金;

关键词：

HALIDE;

D O I：

10.1063/5.0186754

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

For next-generation Internet-of-Everything applications, such as artificial neural-network image sensors, artificial retina, visible light communication, flexible devices, and so on, the photodetectors with excellent properties are urgently demanded. In recent years, two-dimensional (2D) material-based photodetectors have been developed and certified for remarkable performances. Nonetheless, it cannot meet the need of wide linear dynamic range, ultralow dark current, and large on/off ratio, which are critical factors for commercial applications. Recently, quasi-2D Ruddlesden-Popper (RP) perovskites are explored and developed as well-known photovoltaic and optoelectronic materials. Herein, an excellent photodetector based on quasi-2D RP layered perovskite PEA(2)FA(2)Pb(3)Br(10) film was fabricated. The photodetector displays an ultralow dark current of 4.08 x 10(-11) A, high specific detectivity of 1.69 x 10(10) Jones, high on/off ratio of 7.33 x 10(3), and fast rise/fall times of 32/38 ms, attributed to its multiple quantum wells in PEA(2)FA(2)Pb(3)Br(10). Therefore, the photodetectors based on quasi-2D RP perovskite PEA(2)FA(2)Pb(3)Br(10) have immense potentials in the field of optoelectronics.

引用

页数：7