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Electrostatic self-assembly of nanoparticles into ordered nanowire arrays

Published online by Cambridge University Press:  24 January 2011

Jun Tang ,
E. Verrelli ,
K. Giannakopoulos  and
D. Tsoukalas
Jun Tang
Affiliation:
Department of Applied Physics, National Technical University of Athens, 15780 Zografou, Greece
E. Verrelli
Affiliation:
Department of Applied Physics, National Technical University of Athens, 15780 Zografou, Greece
K. Giannakopoulos
Affiliation:
Institute of Materials Science, NCSR Demokritos, 15310 Aghia Paraskevi, Greece
D. Tsoukalas*
Affiliation:
Department of Applied Physics, National Technical University of Athens, 15780 Zografou, Greece; and Institute of Microelectronics, NCSR Demokritos, 15310 Aghia Paraskevi, Greece
*
a)Address all correspondence to this author. e-mail: dtsouk@central.ntua.gr
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Abstract

A novel nanoparticle self-assembly process is demonstrated. Nanoparticles were fabricated by a DC magnetron sputtering process. A silicon substrate was initially patterned with arrays of peak and valley photoresist structures using inexpensive patterning techniques. When the nanoparticles were deposited onto the prepatterned substrate, due to surface topography induced local increase in the electric field created by the charges on the nanoparticles, the nanoparticles were self-assembled onto the peaks of the structures and formed long nanowire arrays.

Keywords

NanostructurePhysical Vapor Deposition (PVD)Nanoscale
Type
Reviews
Information
Journal of Materials Research , Volume 26 , Issue 2: Focus Issue: Self-Assembly and Directed Assembly of Advanced Materials , 28 January 2011 , pp. 209 - 214
Copyright
Copyright © Materials Research Society 2011

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