期刊
DIAMOND AND RELATED MATERIALS
卷 17, 期 4-5, 页码 529-534出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.diamond.2007.10.001
关键词
nanotubes; high resolution electron microscopy; solution growth; nanotechnology
Nanotubes composed of C-60 fullerene molecules (C60NTs) were synthesized at ambient pressure and temperature using a modified liquid-liquid interfacial precipitation (LLIP) method in the system of C-60-pyridine and isopropyl alcohol (IPA). A marked improvement in the formation of C60NTs was achieved by illuminating the initial C-60-pyridine solution with visible light (VIS, 436 nm) and ultraviolet light (UV, 302 nm). It was also found that the growth and diameter of C60NTs are influenced by the combined effect of solvent ratio and incubation temperature. We present a simple approach of fabricating C60NTs designed to optimize rapid growth and to control diameter distributions useful for further discoveries of their chemical and physical properties and in the advancement of their possible applications in nanotechnology. The collected C60NTs were characterized by a variety of analytical techniques including scanning electron microscopy (SEM), high resolution transmission electron microscopy (HRTEM), and Raman spectroscopy. (C) 2007 Elsevier B.V. All rights reserved.
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