Mixed-halide CsPb(BrxI1-x)3 perovskite nanocrystals in borogermanate glass-ceramics

Dettagli Bibliografici
Parent link:Ceramics International.— .— Amsterdam: Elsevier Science Publishing Company Inc.
Vol. 50, iss. 13, Pt. B.— 2024.— P. 24618-24625
Ente Autore: Национальный исследовательский Томский политехнический университет
Altri autori: Kharisova R., Babkina A. N. Anastasiya Nikolaevna, Zyryanova K. S. Kseniya Sergeevna, Kuzmenko N. Nataljya, Leonidova A. Aleksandra, Valiev D. T. Damir Talgatovich, Stepanov S. A. Sergey Aleksandrovich, Sgibnev S. A. Evgeny Anatoljevich, Shelaev A. Artem, Baryshev A. A. Aleksandr Afanasjevich
Riassunto:Title screen
In this work we successfully synthesize CsPb(BrxI1-x)3 perovskite nanocrystals with different Br/I ratio in a borogermanate glass matrix. The XRD studies show cubic perovskite phase peaks shift as the Br/I ratio changes. The formed nanocrystals have mean size of about 17 nm based on the calculations from the absorption spectra. The smooth change of the Br/I ratio in perovskite nanocrystals allow to obtain luminescence in the range 500–750 nm with quantum yield up to 35 %. The luminescence quantum yield and lifetime of the mixed-halide nanocrystals steadily increase with iodine concentration. Practical application of perovskite glass-ceramics as a radiation converter is shown in the paper.
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Lingua:inglese
Pubblicazione: 2024
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Accesso online:https://doi.org/10.1016/j.ceramint.2024.04.196
Natura: Elettronico Capitolo di libro
KOHA link:https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=672638

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