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Updated: May 24, 2026

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Published on: February 7, 2017
Supramolecular-Covalent Hybrid Chiral Polymers with Strong Circular Dichroism and Unattenuated Dynamic Spectral Shift
Lingsheng Jiang1, Cheng Zhang2, Hui Yu3
1School of Chemistry & Chemical Engineering, State Key Laboratory of Synergistic Chem-Bio Synthesis, Frontiers Science Center For Transformative Molecules, Shanghai Jiao Tong University, Shanghai, P. R. China.
Researchers developed a novel chiral polymer combining supramolecular and covalent elements. This hybrid material shows tunable circular dichroism (CD) spectra with high intensity, enabling advanced optical applications like secure data storage.
Area of Science:
- Polymer Chemistry
- Materials Science
- Optoelectronics
Background:
- Chiral polymers are crucial for chiroptics, optoelectronics, and sensors.
- Achieving strong circular dichroism (CD) intensity and tunable responses in chiral polymers is challenging.
Purpose of the Study:
- To develop a chiral polymer with dynamically tunable CD spectra and high intensity.
- To explore the integration of supramolecular and covalent polymerization for advanced optical materials.
Main Methods:
- Supramolecular polymerization of a chiral monomer into twisted nanoribbon fibrils.
- In situ topochemical polymerization of diacetylene groups to form a hybrid polymer.
- Investigating the polymer's chiroptical response to temperature changes.
Main Results:
- A supramolecular-covalent hybrid chiral polymer was synthesized.
- The polymer exhibits strong CD intensity (>1° at 670 nm) and dynamic spectral shifts (670 nm to 565 nm) upon heating.
- The hybrid structure allows for tunable CD spectra without loss of intensity.
Conclusions:
- The hybrid polymer offers a strategy for creating functional chiral materials with tunable optical properties.
- The material's unique CD responses are suitable for high-security information storage applications.
- This work advances the design of chiral polymers for diverse optical applications.
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