(Y1-xErx)2O3 氧化物的发光温度测定法

IF 0.8 4区 化学 Q4 SPECTROSCOPY
I. V. Baklanova, V. N. Krasil’nikov, A. P. Tyutyunnik, Ya. V. Baklanova
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引用次数: 0

摘要

本研究开发了一种基于掺铒氧化钇(Y1-xErx)2O3 的快速而简单的固溶体合成方法。通过 X 射线衍射方法确定了样品的晶体结构。这些化合物在红外激光激发(980 纳米)下呈现出黄绿色的上转换发射。(Y1-xErx)2O3中铒浓度的增加引起了颜色的变化和上转换发光强度的增加。在 x = 0.05 的氧化物中观察到了最大的上转换发光强度。根据与 2H11/2/4S3/2 → 4I15/2 和 4F9/2 → 4I15/2 转变相关的发射线强度对泵浦功率的依赖性,确定了双光子激发机制。根据与热耦合激发的 2H11/2 和 4S3/2 水平跃迁对应的发射线比率的温度相关性计算出了绝对和相对灵敏度,结果表明这些氧化物有望成为非接触式温度传感材料。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Luminescent Thermometry of (Y1–xErx)2O3 Oxides

A fast and simple method for the synthesis of solid solutions based on erbium-doped yttrium oxide (Y1–xErx)2O3 was developed. The crystal structures of the samples were determined by x-ray diffraction methods. The compounds exhibited greenish-yellow upconversion emission upon IR laser excitation (980 nm). An increase in the erbium concentration in (Y1–xErx)2O3 caused a color change and a growth in the intensity of the upconversion luminescence. The maximum upconversion luminescence intensity was observed for the oxide with x = 0.05. A two-photon excitation mechanism was determined based on the dependence of the emission line intensities associated with 2H11/2/4S3/24I15/2 and 4F9/24I15/2 transitions on the pumping power. The absolute and relative sensitivities were calculated from the temperature dependences of the ratio of emission lines corresponding to transitions from thermally coupled excited 2H11/2 and 4S3/2 levels and showed the promise of the oxides as materials for noncontact temperature sensing.

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来源期刊
CiteScore
1.30
自引率
14.30%
发文量
145
审稿时长
2.5 months
期刊介绍: Journal of Applied Spectroscopy reports on many key applications of spectroscopy in chemistry, physics, metallurgy, and biology. An increasing number of papers focus on the theory of lasers, as well as the tremendous potential for the practical applications of lasers in numerous fields and industries.
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