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Updated: May 16, 2025

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Low-energy Cathodoluminescence for OxyNitride Phosphors
Published on: November 15, 2016
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压力诱导发射光源使光学逻辑门通向照明,闪光灯,和防伪
Wenya Zhao1, Guanjun Xiao1, Shi Qiu2
1State Key Laboratory of High Pressure and Superhard Materials, College of Physics, Jilin University, Qianjin Street 2699, Changchun, 130012, China.
Angewandte Chemie (International ed. in English)
|March 31, 2025
概括
研究人员压力工程无排放 (C25H22P) 2SnCl6以实现明亮的蓝白色排放. 这种压力诱导发射光原体 (PIEgen) 显示不可逆转的光发光,可用于光学开关和显示器.
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:
- 压力诱导排放发光剂 (PIEgens) 为先进材料提供了潜力.
- 在环境条件下稳定高压排放相仍然是一个重大挑战.
- 零维 (0D) 金属化物经常表现出灭的发光.
研究的目的:
- 为了研究压力工程对非排放的零维 (0D) 金属化物 (C25H22P) 2SnCl6.6的发光效应的影响.
- 从以前没有排放的材料中获得稳定,明亮的辐射.
- 探索压力诱导发光的潜在应用.
主要方法:
- 高压处理 (C25H22P) 2SnCl6 的高压处理到 20.0 GPa.
- 在压力处理之前和之后的光发光 (PL) 特性.
- 分析结构变化,包括无机八面体的无形化和扭曲.
主要成果:
- 无排放 (C25H22P) 2SnCl6在压力处理后呈现出明亮的蓝白色排放.
- 光发光过渡是不可逆转的,并与无形化相关.
- 无机八面体的扭曲增加和增强的结合导致了明亮的辐射.
- 观察到依赖激发的辐射,使色调和数据编码成为可能.
结论:
- 压力工程可以有效地激活非排放的0D金属化物中的发光.
- 这种不可逆转的,由压力触发的光发光的开启行为可以作为光学开关发挥作用.
- 该材料对照明,显示器,闪光灯和防伪技术的应用具有前景.
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