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. 2025 Jan 9;61(5):937-940.
doi: 10.1039/d4cc05250a.

A ferroelectric helical polymer

Supriya Bandyopadhyay  1 , Shubhankar Barman  1 , Swadesh Paul  1 , Anuja Datta  1   2 , Suhrit Ghosh  1   2
Affiliations

A ferroelectric helical polymer

Supriya Bandyopadhyay et al. Chem Commun (Camb). .

Abstract

This communication introduces helical polyacetylene (P1) with an appended acceptor (A)-donor (D)-acceptor (A) conjugated chromophore as a promising ferroelectric candidate. The helical conformation of P1 leads to a highly stable chiral assembly of the appended ADA chromophores. This results in prominent ferroelectricity as evident from the superior hysteresis loop at room temperature, exhibiting a saturation polarization (PS) value ∼2 μC cm-2 and remanent polarization (Pr) value ∼1.8 μC cm-2 at a low coercive field (Ec) of 5.2 kV cm-1, rarely reported before for purely organic systems.

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