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智能近红外Cr3+/Pr3+中的多模式发光编码的SrGa12O19由三种不同的激发机制诱导的

Yaowu Wang¹, Nan Lin¹, Yiheng Yue¹

¹College of Optical and Electronic Technology, China Jiliang University, Hangzhou 310018, China.

ACS applied materials & interfaces

|June 20, 2024

概括

研究人员开发了一种新的智能近红外 (NIR) ,具有多模式刺激响应. 这种先进的材料为传感,防伪和食品分析应用提供了增强的发光.

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的.

背景情况:

近红外 (NIR) 提供高透性和隐形性,对于先进的应用至关重要.
需要智能NIR光器,能够对传感的多模式刺激作出响应.
现有的NIR材料缺乏用于各种应用的综合功能.

研究的目的:

为了合成一种具有多模式刺激响应的新型智能NIR光.
研究发光性质,包括光发光,机械发光,持久发光和热发光.
探索开发的在传感,防伪和食品分析方面的潜在应用.

主要方法:

高温固体相反应合成Pr³⁺-化Cr³⁺-化磁铁石SrGa₁₂O₁₉.
在各种刺激下对发光性质的表征.
将光与蓝色LED芯片集成,以创建近红外光转换发光二极管 (pc-LED).

主要成果:

成功合成了一种多模发光智能NIR,一种Pr3+兴奋剂的SrGa12.O19:Cr3+.
由于固有的缺陷,该材料在低负载下表现出增强的光发光和明显的NIR机械发光.
观察到延长的持续发光和热发光效应,以及成功制造多功能NIR pc-LED.

结论:

开发的智能NIR光器展示了由于NIR的组织透能力,对先进的传感和光学检查具有重大潜力.
在防伪和食品质量评估中的应用是由于独特的发光特性而实现的.
这项工作扩大了NIR光的实用性,并为多功能光电子设备提供了一个新的平台.

关键词:

SrGa12O19:Cr3+/Pr3+ 是一种有氧化物.接近红外线的近红外线有光学传感器的感应器.持续的发光持续的发光压力传感器压力传感器三种模式的激发.

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