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

    13 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

    • General Chemistry
    • Condensed Matter Physics
    • General Physics and Astronomy
    • Surfaces and Interfaces
    • Surfaces, Coatings and Films

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