在Cu2+中长时间持久发光 - - 注SrGa2Ge2O8用于信息存储和加密
Teng Zhang1, Huijuan Yuan1, Pengcheng Wu1
1Center of Advanced Optoelectronic Materials, College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou 310018, China.
Inorganic chemistry
|January 17, 2025
概括
这项研究引入了一种新型的铜合石酸酸,用于安全的光学信息存储. 这种材料提供多种发光模式,克服了现有技术的局限性.
科学领域:
- 材料科学 材料科学 材料科学
- 固态化学 固态化学
- 光电学是指光电子产品.
背景情况:
- 目前的光学信息存储依赖于长持续发光 (PersL) 材料,由于单响应模式,安全性有限.
- 稀土合的PersL材料昂贵,阻碍了广泛采用.
- 开发安全,具有成本效益的多模式PersL光器至关重要.
研究的目的:
- 设计和研究一种新型的非稀土多模PersL.
- 探索其用于先进信息存储和加密应用的潜力.
- 为了解决现有的PersL材料的局限性.
主要方法:
- SrGa2Ge2O8:Cu2+ (SGGO:Cu2+) 的合成和表征.
- 分析其光发光特性,包括黄绿色PersL和近红外辐射.
- 对热火,光色和热色的评估.
主要成果:
- 成功合成了一种新型的SGGO:Cu2+,呈现出黄色绿色的PersL (535nm) 和UV激发的近红外辐射.
- 体对其发光峰值表现出明显的热灭行为.
- 观察到显著的可逆光色 (在254nm紫外线下白色至灰色) 和热色.
结论:
- 开发的SGGO:Cu2+作为多模式发光材料起作用.
- 它的PersL,热色和光色组合为安全的光学信息存储和加密提供了显著的潜力.
- 这项工作为昂贵的稀土添加剂材料提供了一个有希望的替代品.
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