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C20, C24 and C26 Nanocrystal Series

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Abstract:

Small carbon nanocrystal particle (C20, C24, C26) series, synthesized in an ultrahigh molecular weight polyethylene target by C2 + ion beam irradiation, were studied with respect to their micro structures and sequential growth features. As the samples were examined by laser desorption Time-of-flight mass spectroscopy, relative intensive peaks in the spectrum indicated the presence of C20, C24, C26 carbon clusters. High resolution transmission electron microscopy images and electron diffraction patterns showed that the C20, C24 and C26 assembled into nanocrystal particles. Raman scattering spectrum and Fourier transform infrared spectrum analyses also indicated that the active bonds of small carbon cages were hydrogenated, thus the C20, C24, C26 nanocrystal were formed. Additionally, the sequential growth of C20→C22→C24→C26→...with addition of C2 carbon units was found, which provides a novel and efficient approach to synthesize small hydro-fullerenes and their nanocrystal materials.





Keywords: C2+ ion beam; Carbon nanocrystal particle; small hydro-fullerene

Document Type: Research Article

DOI: http://dx.doi.org/10.2174/157341309789378005

Publication date: November 1, 2009

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  • Current Nanoscience publishes authoritative reviews and original research reports, written by experts in the field on all the most recent advances in nanoscience and nanotechnology. All aspects of the field are represented including nano- structures, synthesis, properties, assembly and devices. Applications of nanoscience in biotechnology, medicine, pharmaceuticals, physics, material science and electronics are also covered. The journal is essential to all involved in nanoscience and its applied areas.

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