Elastic Relaxor Ferroelectric by Thiol-ene Click Reaction

Area of Science:

• Materials Science
• Polymer Chemistry
• Condensed Matter Physics

Background:

• Ferroelectric materials are crucial for wearable devices, but achieving elasticity often requires difficult synthesis.
• Elastic ferroelectrics, particularly relaxor ferroelectric materials, remain largely unexplored for applications.
• Wearable electronics demand materials with energy storage and actuation capabilities.

Purpose of the Study:

• To synthesize a novel elastic relaxor ferroelectric material.
• To explore the potential of thiol-ene click chemistry for creating elastified ferroelectrics.
• To investigate the ferroelectric properties and mechanical performance of the new material.

Main Methods:

• Utilized thiol-ene click reaction to crosslink a polymer matrix with intramolecular carbon-carbon double bonds and thiol groups.
• Synthesized an elastic relaxor ferroelectric polymer.
• Characterized the material's ferroelectric behavior, modulus, resilience, and fatigue resistance under strain.

Main Results:

• Successfully created an elastic relaxor ferroelectric material with pronounced relaxor-type ferroelectric behavior.
• The material exhibits a low modulus, excellent resilience, and fatigue resistance.
• Maintained stable ferroelectric response at strains up to 70%.

Conclusions:

• Introduced a straightforward and efficient method for constructing elastic relaxor ferroelectrics.
• The developed material shows significant potential for energy storage and actuation in wearable electronics.
• Expanded the application scope of ferroelectric materials in flexible and wearable technologies.