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相关概念视频

Photoluminescence: Fluorescence and Phosphorescence01:23

Photoluminescence: Fluorescence and Phosphorescence

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Photoluminescence is a process where a molecule absorbs light energy and re-emits it in the form of light. This phenomenon occurs when a substance absorbs photons, promoting its electrons to higher energy level excited states, followed by a relaxation process in which the electrons return to their original ground state energy levels and emit light. Photoluminescence is widely observed in various materials, including semiconductors, and organic and inorganic compounds.
A pair of electrons in a...
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Photoluminescence: Applications01:14

Photoluminescence: Applications

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Photoluminescence offers a wide range of applications due to its inherent sensitivity and selectivity. This technique allows for both direct and indirect analyses of the analyte. Direct quantitative analysis is possible when the analyte exhibits a favorable quantum yield for fluorescence or phosphorescence. However, an indirect analysis may be feasible if the analyte is not fluorescent or phosphorescent, or if the quantum yield is unfavorable. Indirect methods include reacting the analyte with...
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相关实验视频

Updated: Jul 8, 2025

Fabrication of White Light-emitting Electrochemical Cells with Stable Emission from Exciplexes
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Fabrication of White Light-emitting Electrochemical Cells with Stable Emission from Exciplexes

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电流发光集群 电流发光集群

Xiaojun Zhang1, Hui Xu1

  • 1Key Laboratory of Functional, Inorganic Material Chemistry, Ministry of Education, School of Chemistry and Materials, Heilongjiang University, 74 Xuefu Road, 150080, Harbin, P. R. China.

Angewandte Chemie (International ed. in English)
|December 11, 2023
PubMed
概括
此摘要是机器生成的。

光电子集群材料为高效的发光设备提供100%的激电采集. 调连接体工程和设备优化提高了性能,为下一代显示器和照明铺平了道路.

关键词:
集群集群是一个集群集群.集群发光二极管 集群发光二极管设备工程 设备工程电解发光是一种发光.连接体工程 连接体工程

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Author Spotlight: Advancing Bioimaging and Therapy with Functional Nanomaterials
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Low-energy Cathodoluminescence for OxyNitride Phosphors
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Low-energy Cathodoluminescence for OxyNitride Phosphors

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Author Spotlight: Advancing Bioimaging and Therapy with Functional Nanomaterials
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科学领域:

  • 材料科学 材料科学 材料科学
  • 化学 化学 化学
  • 物理 物理学 物理

背景情况:

  • 光电子集群材料正在快速发展,用于发光设备.
  • 它们提供100%的激素采集和独特的混合结构.
  • 这些材料表现出可调节的激发状态特性,用于热激活的延迟光和/或光,以及光和热稳定性.

研究的目的:

  • 概述最近在电光集群材料方面的进展.
  • 讨论这些材料中的结构-属性关系.
  • 激发集群发光二极管的进一步发展.

主要方法:

  • 连接体工程调整兴奋状态组合物并增强辐射组件.
  • 通过可控的功能化来减少集群中心的火状态.
  • 设备工程,包括主机矩阵优化和界面修改,以减轻三重火和被动化缺陷.

主要成果:

  • 集群发光二极管的记录外部量子效率已经达到约30%.
  • 已经确定了连接体和设备工程策略,以平衡光电子属性.
  • 在加工和缺陷被动化方面取得了改进.

结论:

  • 电解发光集群材料显示出对先进显示器和照明的重大前景.
  • 对结构与财产关系的持续研究对于进一步发展至关重要.
  • 集群发光二极管正在成为下一代应用程序的竞争对手.