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Ultrabright Acrylic Polymers with Tunable Fluorescence Enabled by Imprisoning Single TICT Probe
Yalei Ma1, Qiuping Wang1, Jia Deng1
1Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710062, P. R. China.
Macromolecular Rapid Communications
|November 13, 2023
Summary
Researchers developed a new method to create ultrabright, colorful fluorescent polymers using a single twisted intramolecular charge transfer (TICT) probe. These advanced polymers exhibit high quantum yields and potential applications in various fields.
Area of Science:
- Polymer Chemistry
- Materials Science
- Photophysics
Background:
- Fluorescent polymers are valuable for diverse applications.
- Achieving colorful and highly emissive polymers with a single fluorophore presents a significant challenge.
- Existing methods like physical doping or chemical binding have limitations.
Purpose of the Study:
- To develop a general and facile method for synthesizing ultrabright and colorful polymers.
- To utilize a single twisted intramolecular charge transfer (TICT) probe for polymer synthesis.
- To create a series of colorful acrylic polymers with tunable emission properties.
Main Methods:
- Incorporation of a polymerizable, highly fluorescent, and environmentally sensitive TICT probe into acrylic polymers.
- Synthesis of acrylic polymers with emission wavelengths ranging from 481 to 543 nm.
- Utilizing functional groups in polymer side chains to modulate the local environment of the fluorophore, mimicking solvatochromism.
Main Results:
- Successful synthesis of colorful acrylic polymers with nearly 100% fluorescence quantum yields.
- Demonstration of a series of polymers emitting across the visible spectrum (481–543 nm) using a single TICT probe.
- Tuning of polymer color through variations in side-chain functional groups, affecting the fluorophore's microenvironment.
Conclusions:
- A versatile method for creating highly emissive and colorful polymers using a single TICT probe has been established.
- The synthesized polymers exhibit excellent photophysical properties, including high quantum yields.
- These materials hold significant potential for applications in encryption, cultural relic protection, white light-emitting diodes, and fingerprint identification.
