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Title: Piezoelectric properties of diphenylalanine microtubes prepared from the solution
Author: Vasilev, Semen
Zelenovskiy, Pavel
Vasileva, Dania
Nuraeva, Alla
Shur, Vladimir Ya.
Kholkin, Andrei L.
Issue Date: 2016
Abstract: Biomimetic self-assembling peptides form a variety of structures that can be used for the fabrication of functional devices. We are witnessing the emergence of a new era of bionanotechnology that opens up new possibilities for novel electronic, photonic and energy functionalities based on supramolecular green and lightweight structures. In this work, we study the emergent piezoelectric properties of linear di peptide diphenylalanine (FF) that can self-assemble in the shape of microtubes. The matrix of piezoelectric coefficients is derived for the first time based on the hexagonal symmetry of FF structures and different configurations of the tubes are tested by the advanced Piezoresponse Force Microscopy (PFM). Strong piezoelectric anisotropy of piezoelectric coefficients is explained by the self-assembled structure of FF peptides. Possible applications of piezoelectric microtubes in functional devices are discussed. (C) 2016 Elsevier Ltd. All rights reserved.
Peer review: yes
DOI: 10.1016/j.jpcs.2016.02.002
ISSN: 0022-3697
Publisher Version: 10.1016/j.jpcs.2016.02.002
Appears in Collections:CICECO - Artigos

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