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Fabrication of Field Emitter Arrays of Carbon Nanotubes Aligned on Patterned Substrates using Self-Assembly Monolayer

Published online by Cambridge University Press:  15 February 2011

Ok-Joo Lee ,
Soo-Hwan Jeong  and
Kun-Hong Lee
Ok-Joo Lee
Affiliation:
Department of Chemical Engineering, Computer & Electrical Engineering Division, Pohang University of Science and Technology (POSTECH), Pohang, 790-784, Korea
Soo-Hwan Jeong
Affiliation:
U_Team, Samsung Advanced Institute of Technology (SAIT), P. O. Box 111, Suwon, 440-600, Korea
Kun-Hong Lee
Affiliation:
Department of Chemical Engineering, Computer & Electrical Engineering Division, Pohang University of Science and Technology (POSTECH), Pohang, 790-784, Korea
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Abstract

Field emissions from the singlewalled carbon nanotubes (SWNTs) attached on various patterned substrates such as silicon wafer and polymer film, are reported. SWNTs were cut into sub-micron length by sonication in an acidic solution. The SWNT emitters were aligned on Au surface at room temperature by self-assembly monolayer technique. The field emission measurements in a silicon wafer and a polymer film showed that the turn-on fields were 2.8 V/ νm and 3.9 V/ νm at the emission current density of 10 μA/cm2, respectively. The current densities were 0.9 mA/cm2 and 1.6 mA/cm2 at 6.0 V/ νm. This room temperature process is suitable for the fabrication of flexible field emission devices with carbon nanotubes.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 772: Symposium M – Nanotube-Based Devices , 2003 , M7.7
Copyright
Copyright © Materials Research Society 2003

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