在Ca2InTaO6:Pr3+中的多式发光:在动态防伪和光学温度计中的应用
Jiani Luo1, Xiangping Li1, Yan Li1
1School of Science, Dalian Maritime University, Dalian, Liaoning 116026, P. R. China.
Inorganic chemistry
|May 21, 2025
概括
新的Pr3+-dopedCa2InTaO6 (CITO:Pr3+) 光体显示可调节的发光,用于先进的防伪和光学温度计. 这些材料表现出持续的发光和精确的温度传感能力.
科学领域:
- 材料科学 材料科学 材料科学
- 固态化学 固态化学
- 发光的阴影是什么意思
背景情况:
- 在光学温度计和防伪中对先进的需求日益增长.
- 需要具有可调节发光和持久发光 (PersL) 性能的材料.
- Pr3+ 兴奋剂是实现所需光学特性的有希望的途径.
研究的目的:
- 合成和描述可调色Pr3+-doped Ca2InTaO6 (CITO:Pr3+) 的持久发光材料. 为了合成和描述可调色Pr3+-doped Ca2 (CITO:Pr3+) 的持久发光材料.
- 调查它们在光学温度计和动态防伪应用中的潜力.
- 探索材料属性与发光行为之间的关系.
主要方法:
- 在高温固态合成CITO:Pr3+.
- 对于晶体结构分析的X射线衍射 (XRD) 和瑞特维尔德精细化.
- 对度,激发波长和温度依赖的光学特性进行系统研究.
主要成果:
- 成功合成了可调色的CITO:Pr3+光体,具有多功能发光.
- 通过缺陷工程证明红色持久发光 (PersL) 发射.
- 优秀的光学温度传感特性具有高灵敏度 (例如,Sa = 20.42% K-1,Sr = 2.37% K-1).
结论:
- CITO:Pr3+材料表现出多模式发光,适合动态防伪.
- 不同的热火速率可以实现精确的光学温度测量.
- 这些体显示出先进的防伪和温度测量应用的巨大潜力.
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