期刊
JOURNAL OF MATERIALS RESEARCH
卷 17, 期 2, 页码 396-400出版社
CAMBRIDGE UNIV PRESS
DOI: 10.1557/JMR.2002.0055
关键词
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Thin films of poly(methyl methacrylate)-multiwalled nanotubes composites were produced by spin coating using different nanotube concentrations. The materials were characterized by scanning electron microscopy, energy-dispersive x-ray analysis, and Raman spectroscopy to obtain information on the possible interactions between the constituents and to control the homogeneity of the films. Electrical conductivity measurements of the composites, as a function of the nanotube concentration, show a percolation threshold at very low concentration. Also, the J-E characteristics exhibits a nonlinear behavior at low concentration, becoming linear far above the threshold.
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