Effects on the field emission properties by variation in surface morphology of patterned photosensitive carbon nanotube paste using organic solvent

Woo Sung Cho, Yang Doo Lee, Jinnil Choi, Jong Hun Han, Byeong Kwon Ju

Research output: Contribution to journalArticlepeer-review

12 Citations (Scopus)

Abstract

Photosensitive carbon nanotube (CNT) paste was prepared by 3-roll milling of multi-walled carbon nanotubes (MWNTs), UV-sensitive binder solution, and Ag as filler additives. Arrays of MWNT dots with a diode structure were fabricated by a combination of screen printing method and photolithography using these paste, and acetone utilized as the developer. The MWNT dots were well-defined and the organic binder materials in the dots were partially removed. The MWNT film without a heat treatment showed a high current density of 1.35 mA/cm 2 at 3.25 V/μm and low turn-on field of 2.2 V/μm at 100 μA/cm 2 . Acetone can be used as an efficient developer to form patterns and to remove the organic residues in patterns, simultaneously.

Original languageEnglish
Pages (from-to)2250-2253
Number of pages4
JournalApplied Surface Science
Volume257
Issue number6
DOIs
Publication statusPublished - 2011 Jan 1

Keywords

  • Carbon nanotubes
  • Field emission
  • Multi-walled carbon nanotube
  • Organic binder

ASJC Scopus subject areas

  • Chemistry(all)
  • Condensed Matter Physics
  • Physics and Astronomy(all)
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films

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