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Related Concept Videos

Photoluminescence: Applications01:14

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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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When electromagnetic radiation passes through a material, atoms or molecules transition from a lower to a higher energy state by absorbing radiation corresponding to the energy difference between the two states. The absorption of infrared (IR) radiation causes transitions between vibrational energy levels in a molecule. Therefore, IR spectroscopy is a useful analytical tool for determining the molecular structure of molecules.
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There are two main infrared (IR) spectrophotometers: dispersive IR spectrometers and Fourier transform infrared (FTIR) spectrometers. In a dispersive IR spectrometer, a beam of infrared radiation produced by a hot wire is divided into two parallel equal-intensity beams using mirrors. One beam passes through the sample, while another is a reference beam. The beams then move through the monochromator, which separates the radiations into a continuous spectrum of different frequencies. The...
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Fluorometers and spectrofluorometers are two types of instruments used for measuring molecular fluorescence. These instruments differ in how they select excitation and emission wavelengths and the type of light sources they utilize. Fluorometers use absorption interference filters to choose excitation and emission wavelengths. The excitation source in a fluorometer is typically a low-pressure mercury vapor lamp that emits intense lines distributed throughout the ultraviolet and visible regions.
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Updated: Jul 17, 2025

High-resolution Thermal Micro-imaging Using Europium Chelate Luminescent Coatings
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Luminescence-Based Infrared Thermal Sensors: Comprehensive Insights.

Shah Fahad1,2, Song Li3, Yufei Zhai1

  • 1School of Microelectronics, Southern University of Science and Technology, Shenzhen, 518055, P. R. China.

Small (Weinheim an Der Bergstrasse, Germany)
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Summary

Advancements in nanomaterials are revolutionizing infrared (IR) thermal imaging sensors, enabling smarter, noninvasive applications. This review explores novel nano and micro-scale materials, their fabrication, and diverse uses in advanced IR sensing technologies.

Keywords:
infrared radiationsnano-micromaterialssensors

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Area of Science:

  • Materials Science
  • Nanotechnology
  • Sensor Technology

Background:

  • Infrared (IR) thermal imaging sensors are transitioning from traditional to smart devices.
  • Nanomaterials offer unique properties for advanced IR sensing capabilities.
  • Noninvasive IR sensors are crucial for acquiring precise physiological and physiochemical data.

Purpose of the Study:

  • To summarize advancements in nano and micro-scale materials for IR thermal sensors.
  • To review fabrication designs and applications of these emerging materials.
  • To provide a critical overview of the current state and future directions in IR thermal imaging.

Main Methods:

  • Literature review of recent breakthroughs in materials innovation for IR sensors.
  • Analysis of nanomaterial properties and their integration into sensor devices.
  • Survey of design architectures and application examples.

Main Results:

  • Nanomaterials enable targeted, tunable responses for IR sensors.
  • Smart IR sensors can eliminate motion artifacts and collect precise data in natural contexts.
  • Emerging materials and devices offer enhanced performance for diverse applications.

Conclusions:

  • The field of IR thermal imaging sensors is rapidly advancing due to materials innovation.
  • Opportunities exist for developing novel nano and micro-scale materials and devices.
  • Future research should address challenges and explore new approaches in IR sensing technology.