A monolithically integrated near-infrared imager with crystallization- and oxidation-modulated tin-lead perovskites

Zhichun Yang; Jingjing Liu; Haotian Bao; Zonghao Liu; Zaiwei Wang; Xiangdong Li; Zhihao Chen; Guofeng Zhang; Ruiyun Chen; Jianyong Hu; Shuangping Han; Wei Chen; Chengbing Qin; Liantuan Xiao; Suotang Jia

doi:10.1038/s41377-025-01987-8

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A monolithically integrated near-infrared imager with crystallization- and oxidation-modulated tin-lead perovskites

Original Articles

- A monolithically integrated near-infrared imager with crystallization- and oxidation-modulated tin-lead perovskites
- A monolithically integrated near-infrared imager with crystallization- and oxidation-modulated tin-lead perovskites
- Light: Science & Applications 2025年14卷第10期页码：3203-3215
- Affiliations：
  
  1.State Key Laboratory of Quantum Optics Technologies and Devices, Institute of Laser Spectroscopy, Shanxi University, 030006 Taiyuan, China
  2.Collaborative Innovation Center of Extreme Optics, Shanxi University, 030006 Taiyuan, China
  3.Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, 430074 Wuhan, China
  4.Faculty of Materials Science and Energy Engineering, Shenzhen University of Advanced Technology, 518107 Shenzhen, China
  5.College of Physics and Optoelectronic Engineering, Taiyuan University of Technology, 030600 Taiyuan, China
- Author bio：
  
  Zhichun Yang (yangzhichun@sxu.edu.cn)
  Wei Chen (wnlochenwei@hust.edu.cn)
  Chengbing Qin (chbqin@sxu.edu.cn)
  Liantuan Xiao (xlt@sxu.edu.cn)
- Funds：
- DOI：10.1038/s41377-025-01987-8
  中图分类号：
- 收稿：2024-12-01，
  
  修回：2025-07-16，
  
  录用：2025-07-25，
  
  网络出版：2025-09-04，
  
  纸质出版：2025-10-31
- Accepted：
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Zhichun Yang, Jingjing Liu, Haotian Bao, 等. A monolithically integrated near-infrared imager with crystallization- and oxidation-modulated tin-lead perovskites[J]. Light: Science & Applications, 2025,14(10):3203-3215.

Yang, Z. C. et al. A monolithically integrated near-infrared imager with crystallization- and oxidation-modulated tin-lead perovskites. Light: Science & Applications, 14, 3203-3215 (2025).
Zhichun Yang, Jingjing Liu, Haotian Bao, 等. A monolithically integrated near-infrared imager with crystallization- and oxidation-modulated tin-lead perovskites[J]. Light: Science & Applications, 2025,14(10):3203-3215. DOI： 10.1038/s41377-025-01987-8.

Yang, Z. C. et al. A monolithically integrated near-infrared imager with crystallization- and oxidation-modulated tin-lead perovskites. Light: Science & Applications, 14, 3203-3215 (2025). DOI： 10.1038/s41377-025-01987-8.

摘要

Abstract

The fast crystallization and facile oxidation of Sn

of tin-lead (Sn-Pb) perovskites are the biggest challenges for their applications in high-performance near-infrared (NIR) photodetectors and imagers. Here

we introduce a multifunctional diphenyl sulfoxide (DPSO) molecule into perovskite precursor ink to response these issues by revealing its strong binding interactions with the precursor species. The regulated perovskite film exhibits a dense morphology

reduced defect density and prolonged carrier diffusion length. The manufactured self-powered photodetector realizes a spectral response of 300-1100 nm

dark current density of 4.7 × 10

−8

mA cm

−2

peak responsivity of 0.49 A W

−1

and specific detectivity of 1.20 × 10

Jones in NIR region (780–1100 nm)

–3 dB bandwidth of 11.4 MHz

linear dynamic range of 174 dB

and ultrafast rise/fall time of 14.2/17.1 ns

respectively. We demonstrate a 64 × 64 NIR imager with an impressive spatial resolution of 1.32 lp mm

−1

by monolithically integrating the photodetector with a commercial thin-film transistor readout circuit.

关键词

Keywords

references

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