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由陷诱导的多排放中心构建的碳点的时间依赖的室温余光

Zhun Ran¹, Hongjie Jia¹, Ziting Zhong¹

¹Key Laboratory for Biobased Materials and Energy of Ministry of Education/Guangdong Provincial Engineering Technology Research Center for Optical Agriculture, College of Materials and Energy, South China Agricultural University, Guangzhou 510642, China.

|April 18, 2025

概括

这项研究引入了新的碳点复合材料,呈现时间依赖的光后颜色,从色变为绿色. 这些材料利用陷来储存电荷,对先进的防伪应用有很大的希望.

科学领域:

材料科学材料科学材料科学
光物理学的光学物理学
纳米技术纳米技术

背景情况:

陷对于长时间后发光材料至关重要,因为它们具有载荷载体管理能力.
开发具有可调节后照特性的材料对于先进的光学应用是必不可少的.

研究的目的:

制造基于碳点 (CD) 的复合材料,具有时间依赖的光后颜色 (TDAC).
为了研究后照辐射中动态变色背后的机制.
探索TDAC材料在防伪和信息加密方面的潜力.

主要方法:

使用一阶段的现场化策略来合成基于碳点 (CD) 的复合材料.
制造的材料的特点是它们的光发光特性,特别是它们的后发光行为.
分析了陷和碳点之间的能量传递机制.

主要成果:

合成的复合材料呈现出一个依赖时间的后照色,在去除紫外线激发后从色转变为绿色.
动态后光归因于能量从陷转移到碳点的表面三重状态.
在现场生成的碳点充当了剂,增强了陷密度和形成.

结论:

开发的策略成功地创建了具有可调节性质的多色余材料.
由于TDAC的特性,可以在防伪和信息加密方面有实际应用.
这项工作为设计先进的长光后发光材料提供了新的途径.

关键词:

碳点是指碳点的部分.转移能量转移能量是什么?多排放中心的多排放中心.时间依赖的后光颜色.这是一个陷,一个陷.

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