Large-scale assembly of silicon nanowire network-based devices using conventional microfabrication facilities.
We present a method for assembling silicon nanowires (Si-NWs) in virtually general shape patterns using only conventional microfabrication facilities. In this method, silicon nanowires were functionalized with amine groups and dispersed in deionized water. The functionalized Si-NWs exhibited positive surface charges in the suspensions, and they were selectively adsorbed and aligned onto negatively charged surface regions on solid substrates. As a proof of concepts, we demonstrated transistors based on individual Si-NWs and long networks of Si-NWs.
Interdisciplinary Program in Nano-Science and Technology, Department of Physics and Astronomy, School of Chemical and Biological Engineering, Seoul National University, Seoul 151-747, Korea.
Kwang
K
Heo
Eunhee
E
Cho
Jee-Eun
JE
Yang
Myoung-Ha
MH
Kim
Minbaek
M
Lee
Byung Yang
BY
Lee
Soon Gu
SG
Kwon
Moon-sook
MS
Lee
Moon-Ho
MH
Jo
Heon-Jin
HJ
Choi
Taeghwan
T
Hyeon
Seunghun
S
Hong