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Bottom-Up Device Fabrication via the Seeded Growth of Polymer-based Nanowires

Lookup NU author(s): Dr Osama El-Zubir, Dr Ben Horrocks, Professor Andrew Houlton

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This work is licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0).


Abstract

The bottom-up assembly of nanoelectronic devices from molecular building blocks is a target of widespread interest. Herein we demonstrate an in situ seeded growth approach to produce a nanowire-based electrical device. This exploits the chemisorption of block terpolymer-based seed fibres with a thiophene-functionalised corona onto metal electrodes as the initial step. We then use these surface-bound seeds to initiate the growth of well-defined one-dimensional fibre-like micelles via the seeded growth method known as “Living crystallisation-driven self-assembly’’ and demonstrate that they are capable of spanning an interelectrode gap. Finally, a chemical oxidation step was used to transform the nanofibres into nanowires to generate a two-terminal device. This seeded growth approach of growing well-defined circuit elements provides a useful new design tool for bottom-up device fabrication.


Publication metadata

Author(s): El-Zubir O, Kynaston EL, Gwyther J, Nazemi A, Gould OEC, Whittell GR, Horrocks BR, Manners I, Houlton A

Publication type: Article

Publication status: Published

Journal: Chemical Science

Year: 2020

Volume: 11

Pages: 6222-6228

Online publication date: 01/06/2020

Acceptance date: 01/06/2020

Date deposited: 30/06/2020

ISSN (print): 2041-6520

ISSN (electronic): 2041-6539

Publisher: Royal Society of Chemistry

URL: https://doi.org/10.1039/D0SC02011G

DOI: 10.1039/D0SC02011G


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