AC dielectrophoresis alignment of ZnO nanowires and subsequent use in field-effect transistors.
We report on the dielectrophoresis (DEP) characterization of single crystalline zinc oxide (ZnO) nanowires with variations of the AC electric field and frequency. The alignment yield rate of ZnO nanowires in the gap over the 200 metal electrodes increased with increasing AC electric field and also changed by the applying frequency. Moreover, we demonstrated that the DEP prepared multi-ZnO nanowires field-effect transistors (FETs) exhibited excellent performance with a transconductance of approximately 3 muS and a high drain current of approximately 2.7 x 10(-6) A (V(DS) = 5 V, V(G) = 20 V).
Lee
Sang-Kwon
SK
Department of Semiconductor Science and Technology, SPRC, Chonbuk National University, Jeonju 561-756, Korea.
Lee
Seung-Yong
SY
Hyung
Jung-Hwan
JH
Jang
Chan-Oh
CO
Kim
Dong-Joo
DJ
Suh
Duk-Il
DI