Fabrication of efficient field emitters with thin multiwalled carbon nanotubes using spray method
- Authors
- Jeong, HJ[Jeong, Hee Jin]; Choi, HK[Choi, Ha Kyu]; Kim, GY[Kim, Gil Yong]; Il Song, Y[Il Song, Young]; Tong, Y[Tong, Yu]; Lim, SC[Lim, Seong Chu]; Lee, YH[Lee, Young Hee]
- Issue Date
- Nov-2006
- Publisher
- PERGAMON-ELSEVIER SCIENCE LTD
- Citation
- CARBON, v.44, no.13, pp.2689 - 2693
- Indexed
- SCIE
SCOPUS
- Journal Title
- CARBON
- Volume
- 44
- Number
- 13
- Start Page
- 2689
- End Page
- 2693
- URI
- https://scholarworks.bwise.kr/skku/handle/2021.sw.skku/86592
- DOI
- 10.1016/j.carbon.2006.04.009
- ISSN
- 0008-6223
- Abstract
- Thin multiwalled carbon nanotube (t-MWCNTs)-based field emitters are made by use of a spray method. The number of tube walls is between 2 and 6, with the corresponding outer diameters between 3 and 6 nm. They were dispersed in dichloroethane and sprayed onto metal-deposited indium tin oxide glass. After heat treatment, they were found to be tightly adhered to metal electrode. Excellent field emission characteristics were exhibited, with a large field enhancement factor and low turn-on voltage, comparable to those of single-walled CNTs. However, the t-MWCNTs demonstrated a significantly lower degradation rate than SWCNTs in the emission current. This high emission stability was attributed to their stable edge structures, similar to conventional large-diameter MWCNTs. Therefore, t-MWCNTs could be utilized as an alternative material for field emitters. (c) 2006 Elsevier Ltd. All rights reserved.
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Collections - Science > Department of Physics > 1. Journal Articles
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