ZnO nanowall network grown by chemical vapor deposition technique
Journal Article
·
· AIP Conference Proceedings
- Department of Physics, Indian Institute of Technology Bombay, Powai, Mumbai-400076 (India)
Network of wedge shaped ZnO nanowalls are grown on c-sapphire by Chemical Vapor Deposition (CVD) technique. Structural studies using x-ray diffraction show much better crystallinity in the nanowall sample as compared to the continuous film. Moreover, the defect related broad green luminescence is found to be suppressed in the nanowall sample. The low temperature photoluminescence study also suggests the quantum confinement of carriers in nanowall sample. Electrical studies performed on the nanowalls show higher conductivity, which has been explained in terms of the reduction of scattering cross-section as a result of 1D quantum confinement of carriers on the tip of the nanowalls.
- OSTI ID:
- 22490339
- Journal Information:
- AIP Conference Proceedings, Journal Name: AIP Conference Proceedings Journal Issue: 1 Vol. 1665; ISSN APCPCS; ISSN 0094-243X
- Country of Publication:
- United States
- Language:
- English
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