Microstructural and optical properties of nanocrystalline ZnO deposited onto vertically aligned carbon nanotubes by physical vapor deposition
- Microstructural and optical properties of nanocrystalline ZnO deposited onto vertically aligned carbon nanotubes by physical vapor deposition
- Tushar Borkar; 장원석; 황준연; Nigel D. Shepherd; Rajarshi Banerjee
- Nanostructure; Crystal grwoth; Vapor deposition; Interface
- Issue Date
- Materials research bulletin
- VOL 47, NO 10, 2756-2759
- 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.
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