Characterisation of onion-like carbon fabricated by annealing nanodiamond

Authors: Zou, Q.; Li, Y. G.; Wang, M. Z.; Zou, L. H.; Zhao, Y. C.

Source: Materials Research Innovations, Volume 14, Number 4, September 2010 , pp. 285-288(4)

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Abstract:

Onion-like carbon (OLC) was fabricated by annealing nanodiamond at 1000°C for 2 h in low vacuum ?1 Pa. The OLC was characterised by a high resolution transmission electron microscope, an X-ray diffractometer and a Raman spectrometer. The results show that the OLC exhibits similarity to the original nanodiamond particles in shape. The average size of the OLC particle is found to be ?5 nm. The nanodiamond particles are transformed into OLC completely after annealing. The transformation mechanism of the OLC from the nanodiamond by annealing at lower temperature is reported.

Keywords: NANODIAMOND; ONION-LIKE CARBON; CHARACTERISATION; ANNEALING

Document Type: Research Article

DOI: http://dx.doi.org/10.1179/143307510X12777574294902

Affiliations: State Key Laboratory of Metastable Materials Science and Technology, Yanshan University, Qinhuangdao 066004, China

Publication date: 2010-09-01

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