Ferroelectricity in a hydrogen-bonded alternating donor–acceptor supramolecular copolymer
Shubhankar Barman, Supriya Bandyopadhyay, Anupam Ghosh, Surajit Das, Tathagata Mondal, Ayan Datta, Suhrit Ghosh, Anuja Datta
Abstract
at 100 Hz. The Py or NDI molecules on their own do not exhibit any ferroelectric hysteresis, indicating an essential role of both CT-interaction and H-bonding in ferroelectricity. Computational studies provide insight into the origin of the polarization and the importance of the NDI/Py ratio. This study, showing room temperature ferroelectricity in purely organic systems, is of high relevance for flexible electronics and sensors. It opens up new opportunities for soft FE-materials with ample scope for further structural optimization.
Topics & Concepts
FerroelectricityMaterials scienceCurie temperatureSupramolecular chemistryAcceptorHydrogen bondCrystallographyChemical physicsNanotechnologyMoleculeOptoelectronicsChemistryCondensed matter physicsFerromagnetismCrystal structureOrganic chemistryPhysicsDielectricConducting polymers and applicationsSilicone and Siloxane ChemistryPerovskite Materials and Applications