Joining of Individual Silver Nanowires via Electrical Current

Abstract A procedure for joining polyol-synthesized silver nanowires in air using current-induced Joule heat welding is reported. Using a common probe station and photolithographically patterned gold electrodes, the welding process is completed using a common semiconductor analyzer. A unique two-ste...

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Main Authors: Arash Vafaei, Anming Hu, Irene A. Goldthorpe
Format: Article
Language:English
Published: SpringerOpen 2014-09-01
Series:Nano-Micro Letters
Subjects:
Online Access:https://doi.org/10.1007/s40820-014-0001-9
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author Arash Vafaei
Anming Hu
Irene A. Goldthorpe
author_facet Arash Vafaei
Anming Hu
Irene A. Goldthorpe
author_sort Arash Vafaei
collection DOAJ
description Abstract A procedure for joining polyol-synthesized silver nanowires in air using current-induced Joule heat welding is reported. Using a common probe station and photolithographically patterned gold electrodes, the welding process is completed using a common semiconductor analyzer. A unique two-step procedure eliminates the dielectric barrier at the point of contact without damaging the nanowires away from the junction. This procedure is designed for metal–metal contacts where a strong dielectric intermediate layer might exist, which can occur with metals prone to oxidation or corrosion in air, or as a result of the electrode deposition process. Ohmic connections are also established in cases where there is an initial gap between two nanowires.
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spelling doaj.art-59daa2c14ffc466faffdc67e4bafa1ea2024-01-07T12:40:51ZengSpringerOpenNano-Micro Letters2311-67062150-55512014-09-016429330010.1007/s40820-014-0001-9Joining of Individual Silver Nanowires via Electrical CurrentArash Vafaei0Anming Hu1Irene A. Goldthorpe2Department of Electrical and Computer Engineering, University of WaterlooDepartment of Mechanical and Mechatronics Engineering, University of WaterlooDepartment of Electrical and Computer Engineering, University of WaterlooAbstract A procedure for joining polyol-synthesized silver nanowires in air using current-induced Joule heat welding is reported. Using a common probe station and photolithographically patterned gold electrodes, the welding process is completed using a common semiconductor analyzer. A unique two-step procedure eliminates the dielectric barrier at the point of contact without damaging the nanowires away from the junction. This procedure is designed for metal–metal contacts where a strong dielectric intermediate layer might exist, which can occur with metals prone to oxidation or corrosion in air, or as a result of the electrode deposition process. Ohmic connections are also established in cases where there is an initial gap between two nanowires.https://doi.org/10.1007/s40820-014-0001-9NanowiresNanoweldingJoule heating
spellingShingle Arash Vafaei
Anming Hu
Irene A. Goldthorpe
Joining of Individual Silver Nanowires via Electrical Current
Nano-Micro Letters
Nanowires
Nanowelding
Joule heating
title Joining of Individual Silver Nanowires via Electrical Current
title_full Joining of Individual Silver Nanowires via Electrical Current
title_fullStr Joining of Individual Silver Nanowires via Electrical Current
title_full_unstemmed Joining of Individual Silver Nanowires via Electrical Current
title_short Joining of Individual Silver Nanowires via Electrical Current
title_sort joining of individual silver nanowires via electrical current
topic Nanowires
Nanowelding
Joule heating
url https://doi.org/10.1007/s40820-014-0001-9
work_keys_str_mv AT arashvafaei joiningofindividualsilvernanowiresviaelectricalcurrent
AT anminghu joiningofindividualsilvernanowiresviaelectricalcurrent
AT ireneagoldthorpe joiningofindividualsilvernanowiresviaelectricalcurrent