Field emission from single-walled carbon nanotubes aligned on a gold plate using a self-assembly monolayer |
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Authors: | Lee OJ Jeong SH Lee KH |
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Institution: | (1) Department of Chemical Engineering, Computer and Electrical Engineering Division, Pohang University of Science and Technology (POSTECH), Kyung-buk Pohang 790-784, Korea, KR |
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Abstract: | Field emission from single-walled carbon nanotubes (SWNTs) aligned on a patterned gold surface is reported. The SWNT emitters
were prepared at room temperature by a self-assembly monolayer technique. SWNTs were cut into sub-micron lengths by sonication
in an acidic solution. Cut SWNTs were attached to the gold surface by the reaction between the thiol groups and the gold surface.
The field-emission measurements showed that the turn-on field was 4.8 V/μm at an emission current density of 10 μA/cm2. The current density was 0.5 mA/cm2 at 6.6 V/μm. This approach provides a novel route for fabricating CNT-based field-emission displays.
Received: 3 May 2002 / Accepted: 6 May 2002 / Published online: 4 December 2002
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ID="*"Corresponding author. Fax: +82-54/279-8298, E-mail: ce20047@postech.ac.kr |
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Keywords: | PACS: 81 07 De 82 45 Mp 85 45 Fd |
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