Journal
CHEMICAL PHYSICS LETTERS
Volume 374, Issue 3-4, Pages 400-404Publisher
ELSEVIER
DOI: 10.1016/S0009-2614(03)00773-5
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Carbon-encapsulated Fe3C nanoparticles with diameter of about 10 nm were synthesized on a large scale via co-carbonization of durene and ferrocene at 540 degreesC tinder autogeneous pressure. TEM and HREM examinations confirmed that the carbon-encapsulated Fe3C nanoparticles were uniformly dispersed in carbon matrix and the Fe3C nanoparticles were surrounded by several carbon layers with well ordered arrangement. The formation mechanism of carbon-encapsulated Fe3C nanoparticles was discussed briefly. This novel and simple approach constituted a more practical method to prepare encapsulated nanoparticles than the present ones. (C) 2003 Elsevier Science B.V. All rights reserved.
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