Reversible thermochromism in violet-phase polydiacetylene derivatives triggered by ultraviolet photopolymerization

Chenxi Zhang; Chenlu He

doi:10.1039/d5cp02612a

January 1, 2025Physical Chemistry Chemical Physics

Reversible thermochromism in violet-phase polydiacetylene derivatives triggered by ultraviolet photopolymerization

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Key Points

Reversible thermochromism is achieved through direct violet-phase formation.
A tetraphenylethylene unit induces distortion in the polymer backbone, impacting its properties.
The approach skips the traditional blue-phase, simplifying the synthesis process.
Mechanistic insights clarify how steric constraints influence polymer behavior.

Implication

Analysis reveals that violet-phase polydiacetylene forms without going through blue-phase, suggesting a new method for polymer synthesis.

Abstract

A tetraphenylethylene (TPE)-functionalized diacetylene monomer undergoes direct violet-phase polydiacetylene (PDA) under 254 nm UV, bypassing conventional blue-phase formation. Steric constraints from the bulky TPE units force backbone distortion. The resulting...

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Cite This Study

Zhang et al. (2025) studied this question.

synapsesocial.com/papers/68c199e89b7b07f3a061b807 https://doi.org/10.1039/d5cp02612a

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Reversible thermochromism in violet-phase polydiacetylene derivatives triggered by ultraviolet photopolymerization

Key Points

Implication

Abstract

Discussion

Cite This Study

Reversible thermochromism in violet-phase polydiacetylene derivatives triggered by ultraviolet photopolymerization

Key Points

Implication

Abstract

Discussion

Cite This Study

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