Issue 34, 2022

High-efficiency luminescent organic–inorganic hybrid manganese(ii) halides applied to X-ray imaging

Abstract

Organic–inorganic hybrid manganese halides with low cost, facile synthesis, and high-efficient luminescence have emerged as the novel candidate materials for X-ray detection and imaging. In this work, a series of manganese halides (CP1–CP5) with tetrahedral coordination structures were designed and synthesized by a facile room-temperature evaporation method. All of these complexes exhibit strong green emission around 512 nm, originating from d–d 4T16A1 transitions of Mn2+ centers, and possess high photoluminescence quantum yields of over 85%. CP1–CP5 exhibit strong radioluminescence under X-ray irradiation, and demonstrate excellent linear response to X-ray dose rate. Among them, CP5 demonstrates the optimal X-ray scintillation performance with a low detection limit of 17.96 nGyair s−1. Moreover, by employing CP5 film as a scintillator screen, high-resolution X-ray imaging of 4.35 lp mm−1 was accomplished. This work provides a new way for the preparation of simple and low-cost metal halides applied in X-ray imaging.

Graphical abstract: High-efficiency luminescent organic–inorganic hybrid manganese(ii) halides applied to X-ray imaging

Supplementary files

Article information

Article type
Paper
Submitted
31 May 2022
Accepted
31 Jul 2022
First published
01 Aug 2022

J. Mater. Chem. C, 2022,10, 12286-12291

High-efficiency luminescent organic–inorganic hybrid manganese(II) halides applied to X-ray imaging

H. Meng, W. Zhu, Z. Zhou, R. Zhou, D. Yan, Q. Zhao and S. Liu, J. Mater. Chem. C, 2022, 10, 12286 DOI: 10.1039/D2TC02268K

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