非接触温度计的行为为 (Y0.5 在0.5) 2 O3: Yb3+,Er3+ 固体溶液
Ye Jin1, Kun Li1, Hongtao Chen1
1College of Science, Chongqing University of Technology, 69 Hongguang Street, Chongqing 400054, China. jinye@cqut.edu.cn.
Dalton transactions (Cambridge, England : 2003)
|July 5, 2023
概括
这项研究开发了一种新型的Ytterbium (Yb3+) -Erbium (Er3+) 联合氧化物固体溶液, (Y0.5 在0.5) 2O3,用于先进的非接触温度计. 该材料具有出色的温度灵敏度和热稳定性,非常适合光学温度传感应用.
科学领域:
- 材料科学 材料科学 材料科学
- 固态化学 固态化学
- 发光的光度是非常的低.
背景情况:
- 氧化物材料具有固有的物理和化学稳定性.
- 氧化物 (Y2O3) 和氧化物 (In2O3) 分享相同的晶体结构 (空间组Ia3̄).
- 像伊特 (Yb3+) 和埃尔 (Er3+) 这样的兰化离子表现出特有的发光特性.
研究的目的:
- 合成和表征一种Yb3+-Er3+联合化 (Y0.5 在0.5) 2O3 固体溶液.
- 为了研究它的上升转换 (UC) 发光特性.
- 评估其作为光学非接触温度计材料的潜力.
主要方法:
- 材料合成的固态反应方法.
- 用于结构分析的X射线衍射 (XRD).
- 光学光谱学用于研究发光和取决于温度的光.
主要成果:
- 一个纯相 (Y0.5 在0.5) 2O3 固体溶液被成功合成.
- 由于Er3+过渡,观察到明显的绿色 (500-600nm) 和红色 (630-720nm) 的UC排放.
- 这种材料在503K的最大绝对温度灵敏度为0.316%K−1.
- 与简单氧化物相比,观察到更高的热稳定性和UC排放.
结论:
- 合成的 (Y0.5 在0.5) 2O3:Yb3+,Er3+ 固体溶液是光学温度传感的一个有希望的候选人.
- 它的卓越性能归因于固体溶液中的协同效应.
- 该材料为需要高灵敏度和稳定性的非接触温度计应用提供了可行的替代方案.
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