Single wall carbon nanohorns coated with anatase titanium oxide

Single wall carbon nanohorns (SWCNHs) were coated with anatase titanium oxide thin films by metal-organic chemical vapour deposition with titanium tetraisopropoxide Ti(OiPr) 4 as the precursor. The pristine SWCNHs and the new hybrid material SWCNHs/TiO 2 were characterized by transmission electron m...

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Bibliographic Details
Published in:Carbon (New York) 2009-04, Vol.47 (5), p.1321-1326
Main Authors: Battiston, S., Bolzan, M., Fiameni, S., Gerbasi, R., Meneghetti, M., Miorin, E., Mortalò, C., Pagura, C.
Format: Article
Language:English
Subjects:
Anatase
Carbon
Nanocomposites
Nanomaterials
Nanostructure
Titanium dioxide
Titanium oxides
Walls
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Summary:Single wall carbon nanohorns (SWCNHs) were coated with anatase titanium oxide thin films by metal-organic chemical vapour deposition with titanium tetraisopropoxide Ti(OiPr) 4 as the precursor. The pristine SWCNHs and the new hybrid material SWCNHs/TiO 2 were characterized by transmission electron microscopy, Raman spectroscopy, X-ray diffraction, thermogravimetric thermal analysis and inductively coupled plasma-mass spectrometry, showing that the deposition process does not alter the typical structures of the SWCNHs. Finally, it is shown how the hydrophilic properties of the titanium oxide coating allowed a stable dispersion of SWCNHs/TiO 2 in water, opening new perspectives for water based nanofluids, biological sensing or drug delivery systems.
ISSN:0008-6223
1873-3891
DOI:10.1016/j.carbon.2009.01.016