Persistence Luminescence and Mechanoluminescence in Er3+/Eu2+ Co-Doped SrS/SrZnSO Composites

IF 2.1 4区材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY

Electronic Materials Letters Pub Date : 2025-04-04 DOI:10.1007/s13391-025-00566-8

Ligang Zhang, Xiaoming Xu, Lihong Ma, Haosen Wang

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引用次数: 0

Abstract

A series of Er³⁺/Eu²⁺-activated SrS/SrZnSO with different Er³⁺/Eu²⁺concentrations were synthesized at 1300℃ for 3 h through high temperature solid-state reaction, and their persistence luminescence and mechanoluminescence properties were studied. Upon 450 nm laser excitation, SrS/SrZnSO:Er³⁺/Eu²⁺ emitted orange-red light, which could be observed with the naked eyes. When the laser was removed, it showed long afterglow orange-red luminescence. The brightness and duration of the long afterglow increase with the increase concentration of Er³⁺/Eu²⁺ from x:y = 0.5%:1% to 3%:1%. SrS/SrZnSO:Er³⁺/Eu²⁺ was confirmed as an excellent persistent luminescence material since it could continuously emit light for nearly 10 min. Moreover, under pressure stimulation SrS/SrZnSO:Er³⁺/Eu²⁺showed a novel type of mechanoluminescence (ML) with the emitting bright green light which linearly depended on the force. Under the same force of friction, the sample SrS/SrZnSO:Er³⁺/Eu²⁺ with Er³⁺/Eu³ = 1%:0% emitted the strongest ML among prepared samples. Furthermore, the mechanism of mechanoluminescence was studied in details. This study can expand the family of ML materials while promoting the applications of mechanoluminescence materials in damage diagnosis, human-machine interfaces, and pressure sensing.

Graphical Abstract

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Er3+/Eu2+共掺杂SrS/SrZnSO复合材料的持续发光和机械发光

通过高温固相反应，在1300℃条件下合成了一系列Er3+/Eu2+浓度不同的SrS/SrZnSO，并对其持续发光和机械发光性能进行了研究。在450nm激光激发下，SrS/SrZnSO:Er3+/Eu2+发出肉眼可见的橙红色光。当激光被移除时，它显示出长余辉橙红色的发光。随着Er3+/Eu2+浓度从x:y = 0.5%:1%增加到3%:1%，长余辉的亮度和持续时间增加。SrS/SrZnSO:Er3+/Eu2+可以连续发光近10 min，是一种优异的持续发光材料。在压力刺激下，SrS/SrZnSO:Er3+/Eu2+表现出一种新型的机械发光（ML），其发出的亮绿光与力呈线性关系。在相同的摩擦力下，Er3+/Eu3 = 1%:0%的SrS/SrZnSO:Er3+/Eu2+样品发出的ML最强。并对机械发光机理进行了详细的研究。本研究可以扩大机械致发光材料的家族，同时促进机械致发光材料在损伤诊断、人机界面、压力传感等方面的应用。图形抽象

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Electronic Materials Letters 工程技术-材料科学：综合

CiteScore

4.70

自引率

20.80%

发文量

审稿时长

2.3 months

期刊介绍： Electronic Materials Letters is an official journal of the Korean Institute of Metals and Materials. It is a peer-reviewed international journal publishing print and online version. It covers all disciplines of research and technology in electronic materials. Emphasis is placed on science, engineering and applications of advanced materials, including electronic, magnetic, optical, organic, electrochemical, mechanical, and nanoscale materials. The aspects of synthesis and processing include thin films, nanostructures, self assembly, and bulk, all related to thermodynamics, kinetics and/or modeling.