Solution-processed transparent ferroelectric nylon thin films

Saleem Anwar, Daniel Pinkal, Wojciech Zajaczkowski, Philipp Von Tiedemann, Hamed Sharifi Dehsari, Manasvi Kumar, Thomas Lenz, Ulrike Kemmer-Jonas, Wojciech Pisula, Manfred Wagner, Robert Graf, Holger Frey, Kamal Asadi

Research output: Contribution to journalArticlepeer-review

34 Citations (SciVal)


Ferroelectricity, a bistable ordering of electrical dipoles in a material, is widely used in sensors, actuators, nonlinear optics, and data storage. Traditional ferroelectrics are ceramic based. Ferroelectric polymers are inexpensive lead-free materials that offer unique features such as the freedom of design enabled by chemistry, the facile solution-based low-temperature processing, and mechanical flexibility. Among engineering polymers, odd nylons are ferroelectric. Since the discovery of ferroelectricity in polymers, nearly half a century ago, a solution-processed ferroelectric nylon thin film has not been demonstrated because of the strong tendency of nylon chains to form hydrogen bonds. We show the solution processing of transparent ferroelectric thin film capacitors of odd nylons. The demonstration of ferroelectricity, as well as the way to obtain thin films, makes odd nylons attractive for applications in flexible devices, soft robotics, biomedical devices, and electronic textiles.

Original languageEnglish
Article numbereaav3489
JournalScience Advances
Issue number8
Publication statusPublished - 16 Aug 2019

ASJC Scopus subject areas

  • General


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