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Organic field effect transistors based on self-assembling core-modified peptidic polymers

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Abstract

Peptide-based conducting nanomaterials are promising candidates for bioelectronics. Despite the remarkable advancements in the field of organic field effect transistors (OFETs), peptide-based OFETs with high mobility are scarce. We, herein, report phenylalanine-based core-modified self-assembling peptidic polymers showing p-type FET operation predominantly, with an on–off ratio of over 3 orders of magnitude. The peptide-based OFETs exhibited linear characteristics in a bottom-gate/bottom-contact configuration and showed a hole mobility of up to 9.29 cm2 V−1 s−1 at room temperature, which is an exceptionally high field-effect performance for peptidic polymers. The OFETs also showed excellent long term storage stability and repeatability at room temperature under ambient conditions. The strategy presented here opens up avenues for designing a variety of peptidic polymers with OFET characteristics for applications in modern hybrid electronics.

Graphical abstract: Organic field effect transistors based on self-assembling core-modified peptidic polymers

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Supplementary files

Article information


Submitted
08 Dec 2019
Accepted
25 Feb 2020
First published
26 Feb 2020

Mol. Syst. Des. Eng., 2020, Advance Article
Article type
Paper

Organic field effect transistors based on self-assembling core-modified peptidic polymers

S. Dhawan, A. Moudgil, H. Singh, S. Gahlawat, J. Babu, P. P. Ingole, S. Das and V. Haridas, Mol. Syst. Des. Eng., 2020, Advance Article , DOI: 10.1039/C9ME00170K

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