Microstructural and optical properties of nanocrystalline ZnO deposited onto vertically aligned carbon nanotubes by physical vapor deposition

Title
Microstructural and optical properties of nanocrystalline ZnO deposited onto vertically aligned carbon nanotubes by physical vapor deposition
Authors
Tushar Borkar장원석황준연Nigel D. ShepherdRajarshi Banerjee
Keywords
Nanostructure; Crystal grwoth; Vapor deposition; Interface
Issue Date
2012-10
Publisher
Materials research bulletin
Citation
VOL 47, NO 10, 2756-2759
Abstract
Nanocrystalline ZnO films with thicknesses of 5 nm, 10 nm, 20 nm, and 50 nm were deposited via magnetron sputtering onto the surface of vertically aligned multi-walled carbon nanotubes (MWCNTs). The ZnO/CNTs heterostructures were characterized by scanning electron microscopy, high resolution transmission electron microscopy, and X-ray diffraction studies. No structural degradation of the CNTs was observed and photoluminescence (PL) measurements of the nanostructured ZnO layers show that the optical properties of these films are typical of ZnO deposited at low temperatures. The results indicate that magnetron sputtering is a viable technique for growing heterostructures and depositing functional layers onto CNTs.
URI
http://pubs.kist.re.kr/handle/201004/43401
ISSN
00255408
Appears in Collections:
KIST Publication > Article
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