Analysis of photoluminescence background of Raman spectra of carbon nanotips grown by plasma-enhanced chemical vapor deposition

Wang, B.B., Ostrikov, K., Tsakadze, Z.L., & Xu, S. (2009) Analysis of photoluminescence background of Raman spectra of carbon nanotips grown by plasma-enhanced chemical vapor deposition. Journal of Applied Physics, 106(1), 013315-1.

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Abstract

Carbon nanotips with different structures were synthesized by plasma-enhanced hot filament chemical vapor deposition and plasma-enhanced chemical vapor deposition using different deposition conditions, and they were investigated by scanning electron microscopy and Raman spectroscopy. The results indicate that the photoluminescence background of the Raman spectra is different for different carbon nanotips. Additionally, the Raman spectra of the carbon nanotips synthesized using nitrogen-containing gas precursors show a peak located at about 2120 cm-1 besides the common D and G peaks. The observed difference in the photoluminescence background is related to the growth mechanisms, structural properties, and surface morphology of a-C:H and a-C:H:N nanotips, in particular, the sizes of the emissive tips.

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ID Code: 73843
Item Type: Journal Article
Refereed: Yes
Additional URLs:
DOI: 10.1063/1.3168496
ISSN: 0021-8979
Divisions: Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2009 American Institute of Physics
Deposited On: 11 Jul 2014 04:26
Last Modified: 13 Jul 2014 22:57

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