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Synthesis and optical properties of ZnO and carbon nanotube based coaxial heterostructures

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8 Author(s)
Kim, D.S. ; Max Planck Institute of Microstructure Physics, Weinberg 2, 06120 Halle, Germany ; Lee, S.-M. ; Scholz, R. ; Knez, M.
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Your organization might have access to this article on the publisher's site. To check, click on this link:http://dx.doi.org/+10.1063/1.2952487 

Carbon nanotubes and ZnO based functional coaxial heterostructured nanotubes have been fabricated by using atomic layer deposition. An irregular structured shell composed of ZnO nanocrystals was deposited on pristine nanotubes, while a highly defined ZnO shell was deposited on the tubes after its functionalization with Al2O3. Photoluminescence measurements of the ZnO shell on Al2O3/nanotube show a broad green band emission, whereas the shell grown on the bare nanotube shows a band shifted to the orange spectral range.

Published in:
Applied Physics Letters  (Volume:93 ,  Issue: 10 )

Date of Publication: Sep 2008

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