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In situ formation of onion-like carbon from the evaporation of ultra-dispersed nanodiamonds.

Krishnamurthy, S. and Butenko, Yu. V. and Dhanak, V.R. and Hunt, M.R.C. and Siller, L. (2013) 'In situ formation of onion-like carbon from the evaporation of ultra-dispersed nanodiamonds.', Carbon., 52 . pp. 145-149.


We report the in situ formation of onion-like carbon (OLC) by evaporation from a nanodiamond source under ultra-high vacuum conditions. The OLC is characterized by transmission electron microscopy (TEM), atomic force microscopy (AFM), Raman spectroscopy and X-ray photoelectron spectroscopy (XPS) and is found to be highly defective but completely separated. The absence of any signature in XPS, Raman spectra and TEM associated with nanodiamond in the film suggests that the OLC is formed from carbon vapor or by the direct evaporation of only the smallest particles resulting from nanodiamond graphitization. The method thus provides a route to the formation of individually separated OLC nanoparticles.

Item Type:Article
Full text:(AM) Accepted Manuscript
Available under License - Creative Commons Attribution Non-commercial No Derivatives.
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Publisher statement:© 2012 This manuscript version is made available under the CC-BY-NC-ND 4.0 license
Date accepted:09 September 2013
Date deposited:06 January 2016
Date of first online publication:February 2013
Date first made open access:No date available

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