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Updated: Jul 14, 2025

High-resolution Thermal Micro-imaging Using Europium Chelate Luminescent Coatings
09:01

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Published on: April 16, 2017

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设计用于温度警告指示和双模式发光温度计的双排放光器

Li Li1, Xinji Li2, Zhaojie Wu1

  • 1School of Science, Chongqing University of Posts and Telecommunications, Chongqing, 400065, P. R. China. lilic@cqupt.edu.cn.

Dalton transactions (Cambridge, England : 2003)
|October 9, 2023
PubMed
概括

在SrGdLiTeO中与 (Mn4+) 和 (Tb3+) 联合合的新体显示出可调色的颜色,用于高温预警和敏感的光学温度计.

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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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Fluorescence and Phosphorescence: Instrumentation

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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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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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