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Updated: Aug 12, 2025
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Advanced Compositional Analysis of Nanoparticle-polymer Composites Using Direct Fluorescence Imaging
Published on: July 19, 2016
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Infrared imaging of polydimethylsiloxane-doped upconversion particle composites.
Mingming Wu1, An Ye1, Jiahao Guo1
1School of Physics, East China University of Science and Technology, Shanghai 200237, China.
The Review of Scientific Instruments
|February 1, 2023
Summary
Researchers developed a low-cost composite film for short-wave infrared (SWIR) imaging using upconversion particles. This affordable material offers high stability and quality, making SWIR imaging more accessible for scientific research.
Area of Science:
- Materials Science
- Optics
- Photonics
Background:
- Short-wave infrared (SWIR) imaging is crucial for scientific research.
- High experimental costs currently limit the widespread application of SWIR imaging.
Purpose of the Study:
- To develop a cost-effective composite film for SWIR imaging.
- To utilize the upconversion fluorescence effect for enhanced imaging capabilities.
Main Methods:
- A composite film was fabricated using upconversion particles and polydimethylsiloxane.
- The film's imaging quality and stability were assessed using an infrared laser.
Main Results:
- The composite film demonstrated low fluorescence density fluctuation (1.2% at 100).
- The maximum fluorescence power percentage error due to inhomogeneity was only 4.5%.
Conclusions:
- The developed composite film offers an affordable and accessible solution for SWIR imaging.
- This technique can be readily implemented in typical optical laboratories for various experiments.
