Color tunable (Ba,Ca)ScO2F: Eu2+, Bi3+, K+ perovskite with dependence of excitation wavelength for advanced anti-counterfeiting application

Color tunable (Ba,Ca)ScO2F: Eu2+, Bi3+, K+ perovskite with dependence of excitation wavelength for advanced anti-counterfeiting application

Manylion Llyfryddiaeth
Parent link:	Journal of Luminescence Vol. 257.— 2023.— [119713, 12 p.]
Awdur Corfforaethol:	Национальный исследовательский Томский политехнический университет Инженерная школа новых производственных технологий Отделение материаловедения
Awduron Eraill:	Cai Mingsheng, Lang Tianchun, Fang Shuangqiang, Han Tao, Valiev D. T. Damir Talgatovich, You Houjiang, Liu Chong, Yu Jing, Su Peng, Jing Xiaolong, Ge Guanghui (Guang Hui Ge), Bitao Liu, Polisadova E. F. Elena Fyodorovna
Crynodeb:	Title screen Fluorescent materials are widely used for anti-counterfeiting of information security and commodities. However, the increasing requirements for fluorescent anti-counterfeiting technology urgently require the development of novel fluorescent materials with multicolor fluorescence, single component, and excellent stability. Herein, a color tunable Ba0·94Ca0.06ScO2F: Eu2+, Bi3+, K+ perovskite with dependence of excitation wavelength for high-level anti-counterfeiting is reported. The fluorescence spectra of Ba0·94Ca0.06ScO2F: Eu2+, Bi3+, K+ perovskite show the tunable emission band with the peak between 479 and 509 nm. It is worth noting that the peak intensity ratio at 479 and 509 nm changes with the dependence of the excitation wavelength. Meanwhile, the snowflake pattern is designed to demonstrate the potential applications in anti-counterfeiting, which obviously shows four different color patterns under the sunlight, 320 360, and 415 nm excitation, respectively. Режим доступа: по договору с организацией-держателем ресурса
Cyhoeddwyd:	2023
Pynciau:	электронный ресурс труды учёных ТПУ perovskite luminescent materials excitation-wavelength-dependent emission anti-counterfeiting
Mynediad Ar-lein:	https://doi.org/10.1016/j.jlumin.2023.119713
Fformat:	Electronig Pennod Llyfr
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=669235

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