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Recent Progress of Perovskite Photodetectors

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Electronic Materials".

Deadline for manuscript submissions: closed (20 December 2023) | Viewed by 3949

Special Issue Editor


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Guest Editor
College of Engineering, Huazhong Agricultural University, Wuhan 430070, China
Interests: photonic sensor; functional materials
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Special Issue Information

Dear Colleagues,

Photodetectors are devices which can directly convert light into electrical signals. They are applied in various fields, such as optical communication, biomedical imaging, military monitoring, chemical/biological sensing, etc. Solution-processed perovskites offer notable advantages of processing versatility and exceptional optoelectronic properties, including high absorption with tunable bandgaps, high charge carrier mobilities, and low binding energies, making them very suitable for light detecting applications.

This Special Issue aims to provide a platform to display the latest progress of perovskite photodetectors and inspire future development in this field of research, focusing on advances in lead or lead-free perovskite materials and the optimization of their performance in light detection. Areas to be covered in this Special Issue may include, but are not limited to, the following:

  • Synthesis of novel perovskites or perovskite derivatives;
  • Optimization of the light detection performance;
  • Understanding of the mechanism;
  • Novel device structures.

Dr. Hongwei Lei
Guest Editor

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Keywords

  • perovskite
  • lead-free
  • photodetector
  • performance

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Published Papers (1 paper)

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Review

22 pages, 4002 KiB  
Review
Lead-Free Halide Double Perovskite for High-Performance Photodetectors: Progress and Perspective
by Xiaoyan Li, Junzhe Shi, Jianjun Chen, Zuojun Tan and Hongwei Lei
Materials 2023, 16(12), 4490; https://doi.org/10.3390/ma16124490 - 20 Jun 2023
Cited by 21 | Viewed by 3523
Abstract
Lead halide perovskite has become a promising candidate for high-performance photodetectors (PDs) due to its attractive optical and electrical properties, such as high optical absorption coefficient, high carrier mobility, and long carrier diffusion length. However, the presence of highly toxic lead in these [...] Read more.
Lead halide perovskite has become a promising candidate for high-performance photodetectors (PDs) due to its attractive optical and electrical properties, such as high optical absorption coefficient, high carrier mobility, and long carrier diffusion length. However, the presence of highly toxic lead in these devices has limited their practical applications and even hindered their progress toward commercialization. Therefore, the scientific community has been committed to searching for low-toxic and stable perovskite-type alternative materials. Lead-free double perovskite, which is still in the preliminary stage of exploration, has achieved inspiring results in recent years. In this review, we mainly focus on two types of lead-free double perovskite based on different Pb substitution strategies, including A2M(I)M(III)X6 and A2M(IV)X6. We review the research progress and prospects of lead-free double perovskite photodetectors in the past three years. More importantly, from the perspective of optimizing the inherent defects in materials and improving device performance, we propose some feasible pathways and make an encouraging perspective for the future development of lead-free double perovskite photodetectors. Full article
(This article belongs to the Special Issue Recent Progress of Perovskite Photodetectors)
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