The effect of atmospheric pressure plasma treatment on the field emission characteristics of screen printed carbon nanotubes

Se Jin Kyung, Jae Beom Park, Maksym Voronko, June Hee Lee, Geun Young Yeom

Research output: Contribution to journalArticlepeer-review

18 Scopus citations

Abstract

The effects of pin-to-plate type atmospheric pressure plasma treatment on the field emission properties of screen printed carbon nanotubes(CNTs) were investigated using He(10 slm)/N2(0.1 slm). The plasma treatment for 10 s decreased the turn-on field from 3.13 V/μm to 1.21 V/μm, increased the emission current, and increased the number of emission sites. When, the 10 s plasma treatment was also applied to the CNTs which were previously treated by a tape activation method, the number of emission sites were further increased, therefore, the emission uniformity was improved even though, the plasma treatment on the tape-activated CNTs increased the turn-on field slightly 0.76 V/μm to 1.25 V/μm due to the removal of long CNTs.

Original languageEnglish
Pages (from-to)649-654
Number of pages6
JournalCarbon
Volume45
Issue number3
DOIs
StatePublished - Mar 2007

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