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Title: | Exploring Macroscopic Dipoles of Designed Cyclic Peptide Ordered Assemblies to Harvest Piezoelectric Properties |
Authors: | MAHAPATRA, SOUVIK PANDA PAHAN, SAIKAT CHATTERJEE, ABHIJIT ROY, SOUVIK KUMAR, D. R. PUNEETH GOPI, HOSAHUDYA N. Dept. of Chemistrey |
Keywords: | Delta-Amino Acid Cyclic Peptide Tubular Assembly Piezoelectric Property Dipole Moment 2024 2024-AUG-WEEK1 TOC-AUG-2024 |
Issue Date: | Jun-2024 |
Publisher: | Wiley |
Citation: | Angewandte Chemie International Edition |
Abstract: | Crystalline materials exhibiting non-centrosymmetry and possessing substantial surface dipole moments play a critical role in piezoelectricity. Designing biocompatible self-assembled materials with these attributes is particularly challenging when compared to inorganic materials and ceramics. In this study, we elucidate the crystal conformations of novel cyclic peptides that exhibit self-assembly into tubular structures characterized by unidirectional hydrogen bonding and piezoelectric properties. Unlike cyclic peptides derived from alternating L- and D-amino acids, those derived from new δ-amino acids demonstrate the formation of self-assembled tubes with unidirectional hydrogen bonds. Further, the tightly packed tubular assemblies and higher macrodipole moments result in superior piezoelectric coefficients compared to peptides with lower macrodipole moments. Our findings underscore the potential for designing cyclic peptides with unidirectional hydrogen bonds, thereby paving the way for their application in design of biocompatible piezo- and ferroelectric materials. |
URI: | https://doi.org/10.1002/anie.202409969 http://dr.iiserpune.ac.in:8080/xmlui/handle/123456789/9044 |
ISSN: | 1433-7851 1521-3773 |
Appears in Collections: | JOURNAL ARTICLES |
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