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A new procedure for the template synthesis of metal nanowires

A new procedure for the template synthesis of metal nanowires
A new procedure for the template synthesis of metal nanowires
A new procedure for the fabrication of metal nanowires by template assisted electrodeposition using porous polycarbonate templates is described. A thin sputtered film of silver (≤15 nm) was deposited onto one side of the template. The silver seed layer was used to catalyse electroless copper deposition and a copper layer was grown on top (300 - 500 nm) in less than 10 min. The copper layer served to seal the pores of the template and to form an electrode of high electrical conductivity. The copper layer was easily removed with a chemical etchant to aid the release of the nanowires from the template mask after growth. To demonstrate the process, copper nanowires were prepared by controlled potential deposition and characterised by SEM and TEM. This new procedure has the ability to be applied to the preparation of a wide range of metallic nanostructures over a wide range of scales. It avoids the need for an extended vacuum deposition step and has the advantage of using low cost metals in a combined short vacuum / wet chemical process so as to form the critical electrode layer for nanowire growth.
Electroless copper, nanostructures, nanowires, template synthesis.
1388-2481
58-62
Graves, J.E.
bc48c8e5-44c3-48f4-9adb-081eb45d70e8
Bowker, M.E.A.
fa9c4de3-53f7-434f-8fb2-5d51ded31e4e
Summer, A.
f5402016-1311-496a-914b-1ddb450068cc
Greenwood, A.
b3f953a5-87c8-4b86-a795-6488f316406e
Ponce De Leon Albarran, C.
508a312e-75ff-4bcb-9151-dacc424d755c
Walsh, F.C.
309528e7-062e-439b-af40-9309bc91efb2
Graves, J.E.
bc48c8e5-44c3-48f4-9adb-081eb45d70e8
Bowker, M.E.A.
fa9c4de3-53f7-434f-8fb2-5d51ded31e4e
Summer, A.
f5402016-1311-496a-914b-1ddb450068cc
Greenwood, A.
b3f953a5-87c8-4b86-a795-6488f316406e
Ponce De Leon Albarran, C.
508a312e-75ff-4bcb-9151-dacc424d755c
Walsh, F.C.
309528e7-062e-439b-af40-9309bc91efb2

Graves, J.E., Bowker, M.E.A., Summer, A., Greenwood, A., Ponce De Leon Albarran, C. and Walsh, F.C. (2018) A new procedure for the template synthesis of metal nanowires. Electrochemistry Communications, 87, 58-62. (doi:10.1016/j.elecom.2017.11.022).

Record type: Article

Abstract

A new procedure for the fabrication of metal nanowires by template assisted electrodeposition using porous polycarbonate templates is described. A thin sputtered film of silver (≤15 nm) was deposited onto one side of the template. The silver seed layer was used to catalyse electroless copper deposition and a copper layer was grown on top (300 - 500 nm) in less than 10 min. The copper layer served to seal the pores of the template and to form an electrode of high electrical conductivity. The copper layer was easily removed with a chemical etchant to aid the release of the nanowires from the template mask after growth. To demonstrate the process, copper nanowires were prepared by controlled potential deposition and characterised by SEM and TEM. This new procedure has the ability to be applied to the preparation of a wide range of metallic nanostructures over a wide range of scales. It avoids the need for an extended vacuum deposition step and has the advantage of using low cost metals in a combined short vacuum / wet chemical process so as to form the critical electrode layer for nanowire growth.

Text Nanowire paper Final - Accepted Manuscript
Restricted to Repository staff only until 22 November 2018.
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Accepted/In Press date: 21 November 2017
e-pub ahead of print date: 23 November 2017
Published date: February 2018
Keywords: Electroless copper, nanostructures, nanowires, template synthesis.

Identifiers

Local EPrints ID: 416672
URI: https://eprints.soton.ac.uk/id/eprint/416672
ISSN: 1388-2481
PURE UUID: e6b02a19-2fc2-4971-bc4d-48a49d40f881

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Date deposited: 04 Jan 2018 17:30
Last modified: 09 Mar 2018 17:31

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Contributors

Author: J.E. Graves
Author: M.E.A. Bowker
Author: A. Summer
Author: A. Greenwood
Author: F.C. Walsh

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