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Assembly of Nanowires by Contact-Line Deposition

Published online by Cambridge University Press:  31 January 2011

Mei Zhang ,
Farag Abdelsalam ,
Zach McDargh ,
Chuck Zhang  and
Ben Wang
Mei Zhang
Affiliation:
mzhang@eng.fsu.edu, High Performance Materials Institute, Florida State University;Department of Industrial and Manufacturing Engineering, FAMU-FSU College of Engineering, Tallahassee, Florida, United States
Farag Abdelsalam
Affiliation:
abdelfa4@eng.fsu.edu, High Performance Materials Institute, Florida State University;Department of Industrial and Manufacturing Engineering, FAMU-FSU College of Engineering, Tallahassee, Florida, United States
Zach McDargh
Affiliation:
zmcdargh@gmail.com, High Performance Materials Institute, Florida State University;Department of Industrial and Manufacturing Engineering, FAMU-FSU College of Engineering, Tallahassee, Florida, United States
Chuck Zhang
Affiliation:
chzhang@eng.fsu.edu, High Performance Materials Institute, Florida State University;Department of Industrial and Manufacturing Engineering, FAMU-FSU College of Engineering, Tallahassee, Florida, United States
Ben Wang
Affiliation:
benwang@eng.fsu.edu, High Performance Materials Institute, Florida State University;Department of Industrial and Manufacturing Engineering, FAMU-FSU College of Engineering, Tallahassee, Florida, United States
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Abstract

The post-synthetic assembly of nanowires into desired configurations presents a unique challenge. Through the use of a microscope we observed the behaviors of different nanowires during the drying of their solutions. In addition, we also viewed the resulting dried patterns on substrates by AFM and SEM. We found that nanowires are deposited and aligned along the contact line. The evaporation-induced capillary flow carries the nanowires to the contact line and their alignment there is due to self-assembly directed by solvent evaporation. Based on our observations, we developed a contact-line-deposition process and successfully assembled aligned nanowires in proper patterns on substrates.

Keywords

nanostructureself-assemblysolution deposition
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1206: Symposium M – Multifunction at the Nanoscale through Nanowires , 2009 , 1206-M16-45
Copyright
Copyright © Materials Research Society 2010

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