Metal-Halide Perovskite Submicrometer-Thick Films for Ultra-Stable Self-Powered Direct X-Ray Detectors

Autor:	Marco Girolami, Fabio Matteocci, Sara Pettinato, Valerio Serpente, Eleonora Bolli, Barbara Paci, Amanda Generosi, Stefano Salvatori, Aldo Di Carlo, Daniele M. Trucchi
Jazyk:	angličtina
Rok vydání:	2024
Předmět:	Metal-halide perovskite thin films Direct X-ray detectors Self-powered devices Operational stability Medical linear accelerator Technology
Zdroj:	Nano-Micro Letters, Vol 16, Iss 1, Pp 1-22 (2024)
Druh dokumentu:	article
ISSN:	2311-6706 2150-5551
DOI:	10.1007/s40820-024-01393-6
Popis:	Highlights Self-powered direct X-ray detectors, based on FAPbBr3 255-nm-thick films deposited onto mesoporous TiO2 scaffolds, can withstand a 26-day uninterrupted X-ray exposure with negligible signal loss, demonstrating ultra-high operational stability. Bulk specific sensitivity is evaluated to be 7.28 C Gy−1 cm−3 at 0 V, an unprecedented value in the field of thin-film-based photoconductors and photodiodes for “hard” X-rays. Sensitivity of submicrometer-thick perovskite films to the X-rays produced by a medical linear accelerator used for cancer treatment is here demonstrated for the first time.
Databáze:	Directory of Open Access Journals
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