Detecting ionizing radiation using halide perovskite semiconductors processed through solution and alternative methods

Yihui He, Ido Hadar, Mercouri G. Kanatzidis*

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

100 Scopus citations

Abstract

The direct detection of high-energy radiation such as X-rays and γ-rays by semiconductors at room temperature is a challenging proposition that requires remarkably pure and nearly perfect crystals. The emergence of metal halide perovskites, defect-tolerant semiconductors, is reviving hope for new materials in this field after an almost 20 year hiatus. Metal halide perovskites, which combine exceptional optoelectronic properties, versatile chemistry and simple synthesis, are challenging traditional approaches for the development of novel semiconductors for detecting hard radiation. We discuss the relevant physical properties, promising materials, fabrication techniques and device architectures for high-performance, low-cost detectors by targeting next-generation semiconductors for radiation detection. We also present a perspective on the impact of such advances in future medical imaging applications.

Original languageAmerican English
Pages (from-to)14-26
Number of pages13
JournalNature Photonics
Volume16
Issue number1
DOIs
StatePublished - Jan 2022

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© 2021, Springer Nature Limited.

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