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Updated: May 13, 2025

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新的高效率和优越的热稳定性为WLED发射红色发射

Liang Zhang1, Yuwen Huang1, Baiqi Shao2

  • 1School of Materials and Chemical Engineering, Xuzhou University of Technology, Xuzhou 221018, China. liangzhang@xzit.edu.cn.

Dalton transactions (Cambridge, England : 2003)
|April 14, 2025
PubMed
概括

一种新的宽带红色,Li5MgSrAlB12O24:Eu2+,Mn2+,已开发用于近紫外线 (n-UV) 发光二极管 (LED). 这种高效的具有出色的热稳定性和适用于温暖白色LED应用的潜力.

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Photoluminescence: Applications01:14

Photoluminescence: Applications

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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Photoluminescence: Fluorescence and Phosphorescence01:23

Photoluminescence: Fluorescence and Phosphorescence

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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Variables Affecting Phosphorescence and Fluorescence01:26

Variables Affecting Phosphorescence and Fluorescence

Fluorescence and phosphorescence are essential phenomena in fields like analytical chemistry, biological imaging, and materials science, where they detect molecular properties and visualize cellular structures. Understanding the variables that influence these luminescent behaviors is crucial for maximizing accuracy and efficiency in their applications. These variables can broadly be grouped into chemical structure, solvent properties, and external conditions, each playing a distinct role in...
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