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Park, Noejung
Computational Physics & Electronic Structure Lab
Research Interests
  • Electronic structure calculation, computational physics, computational material science

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ZnO nanoparticle growth on single-walled carbon nanotubes by atomic laye r deposition and a consequent lifetime elongation of nanotube field emission emission

Cited 26 times inthomson ciCited 20 times inthomson ci
Title
ZnO nanoparticle growth on single-walled carbon nanotubes by atomic laye r deposition and a consequent lifetime elongation of nanotube field emission emission
Author
Min, Yo-SepBae, Eun JuPark, Jong BongKim, Un JeongPark, WanjunSong, JaewonHwang, Cheol SeongPark, Noejung
Keywords
TOTAL-ENERGY
Issue Date
2007-06
Publisher
AMER INST PHYSICS
Citation
APPLIED PHYSICS LETTERS, v.90, no.26, pp. -
Abstract
ZnO nanoparticles were grown on single-walled carbon nanotubes (SWNTs) by atomic layer deposition using diethylzinc (DEZ) and water. The athors discuss that, because of chemical inertness of nanotubes to DEZ and water molecules, such nanoparticles are not likely to grow on the wall of clean and perfect nanotubes. Rather, the growth of ZnO nanoparticles should be attributed to imperfection of nanotubes, such as defects and carbonaceous impurities. Lifetime of field emission from SWNTs with the ZnO nanoparticles is 2.5 times longer than that from the as-grown nanotubes. It is thought that the protection of the defects or impurities by ZnO nanoparticles mainly contributed to the improvement of the field emission lifetime from SWNTs.
URI
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DOI
10.1063/1.2745226
ISSN
0003-6951
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PHY_Journal Papers
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