Related Experiment Video
Updated: Mar 26, 2026
Synthesis of Programmable Main-chain Liquid-crystalline Elastomers Using a Two-stage Thiol-acrylate Reaction
Published on: January 19, 2016
Color-Transformable Silicone Elastomers Prepared by Thiol-Ene Reaction with Potential Application in UV-LEDs
Yujing Zuo1, Zhiming Gou1, Jie Zhang1
1Key Laboratory of Special Functional Aggregated Materials & Key Laboratory of Colloid and Interface Chemistry (Shandong University), Ministry of Education, School of Chemistry and Chemical Engineering, Shandong University, Jinan, 250100, P. R. China.
Researchers developed novel fluorescent elastomers capable of emitting transformable colors. This breakthrough utilizes energy transfer and lanthanide ion fluorescence switching, offering tunable color emission in advanced materials.
Area of Science:
- Materials Science
- Polymer Chemistry
- Photophysics
Background:
- Polysiloxane elastomers offer versatile material properties.
- Controlling fluorescence color emission in polymers is a significant challenge.
- Lanthanide ions and organic dyes are known for their luminescent properties.
Purpose of the Study:
- To develop high-efficiency, full-color fluorescent elastomers.
- To achieve tunable color emission in a single elastomer material.
- To explore energy transfer mechanisms for color transformation.
Main Methods:
- Synthesis of polysiloxane-based elastomers using thiol-ene click chemistry.
- Incorporation of lanthanide ions and rhodamine-B as dopants.
- Investigation of fluorescence properties under varying excitation wavelengths and dopant ratios.
- Coating elastomers onto UV-LED cells for device fabrication.
Main Results:
- Achieved high-efficiency, full-color emission from polysiloxane elastomers.
- Demonstrated transformable color emission from a single elastomer by altering excitation wavelength.
- Showcased reproducible color tuning by adjusting lanthanide ion and rhodamine-B ratios.
- Successfully fabricated UV-LED cells with the developed fluorescent elastomers.
Conclusions:
- The developed elastomers exhibit tunable, full-color fluorescence.
- Energy transfer and lanthanide ion fluorescence switching enable color transformation.
- The materials are suitable for creating advanced lighting and display applications.
- Thiol-ene click chemistry provides an efficient route for elastomer synthesis.
