Er3+/Yb3+-共掺杂钙钛矿BaZrO3的光学温度传感器

IF 3 4区 化学 Q2 CHEMISTRY, ANALYTICAL
Luminescence Pub Date : 2025-07-17 DOI:10.1002/bio.70261
Pham Van Huan, Bui Xuan Kien, Dinh Van Chau
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引用次数: 0

摘要

通过简单、快速、经济的热解反应合成了Er3+/Yb3+共掺钙钛矿BaZrO3 (BaZrO3:Er3+, Yb3+)荧光粉。钙钛矿晶体BaZrO3:Er3+, Yb3+的Goldschmidt容差系数为0.9-1,属于立方晶系。BaZrO3:Er3+在980 nm激光激发下发出强烈的绿光。Yb3+的加入可以使BaZrO3:Er3+的发光颜色由绿色调整为黄色和红色。研究了BaZrO3:Er3+, Yb3+作为光学温度传感器的温度探头。在293-473 K的温度范围内对该温度传感器的性能进行了评估。利用基于两个发射波段(2H11/2→4I15/2、4S3/2→4I15/2)热耦合能级(TCLs)的荧光强度比(FIR)技术,该传感器在293 K时的最大相对灵敏度为1.03 × 10−2 K−1。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Optical Temperature Sensor Based on Er3+/Yb3+-Codoped Perovskite BaZrO3

Optical Temperature Sensor Based on Er3+/Yb3+-Codoped Perovskite BaZrO3

Optical Temperature Sensor Based on Er3+/Yb3+-Codoped Perovskite BaZrO3

Optical Temperature Sensor Based on Er3+/Yb3+-Codoped Perovskite BaZrO3

Optical Temperature Sensor Based on Er3+/Yb3+-Codoped Perovskite BaZrO3

The Er3+/Yb3+-codoped perovskite BaZrO3 (BaZrO3:Er3+, Yb3+) phosphor was synthesized via a simple, rapid, and cost-effective pyrolysis reaction. The perovskite crystals BaZrO3:Er3+, Yb3+ have a Goldschmidt tolerance factor of 0.9–1 and belong to the cubic crystal system. BaZrO3:Er3+ emits strong green luminescence when excited by a 980-nm laser. The addition of Yb3+ can tune the emission color of BaZrO3:Er3+ from green to yellow and red. BaZrO3:Er3+, Yb3+ was investigated as temperature probes for optical temperature sensors. The performance of the temperature sensor was evaluated over the temperature range of 293–473 K. Using the fluorescence intensity ratio (FIR) technique based on the thermally coupled levels (TCLs) of the two emission bands (2H11/2 → 4I15/2, 4S3/2 → 4I15/2), the maximum relative sensitivity of the sensor was 1.03 × 10−2 K−1 at 293 K.

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来源期刊
Luminescence
Luminescence 生物-生化与分子生物学
CiteScore
5.10
自引率
13.80%
发文量
248
审稿时长
3.5 months
期刊介绍: Luminescence provides a forum for the publication of original scientific papers, short communications, technical notes and reviews on fundamental and applied aspects of all forms of luminescence, including bioluminescence, chemiluminescence, electrochemiluminescence, sonoluminescence, triboluminescence, fluorescence, time-resolved fluorescence and phosphorescence. Luminescence publishes papers on assays and analytical methods, instrumentation, mechanistic and synthetic studies, basic biology and chemistry. Luminescence also publishes details of forthcoming meetings, information on new products, and book reviews. A special feature of the Journal is surveys of the recent literature on selected topics in luminescence.
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