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標題: Synthesis, characterization, and electrical properties of polypyrrole/multiwalled carbon nanotube composites
作者: Wu, T.M.
Lin, S.H.
關鍵字: carbon nanotubes;composites;electrical properties;Raman spectroscopy;transmission electron microscopy;in-situ electropolymerization;polypyrrole nanoparticles;conducting;polypyrrole;colloidal dispersions;coaxial nanocables;load-transfer;surfactant;nanostructures;polymerization;templates
Project: Journal of Polymer Science Part a-Polymer Chemistry
期刊/報告no:: Journal of Polymer Science Part a-Polymer Chemistry, Volume 44, Issue 21, Page(s) 6449-6457.
Size-controllable polypyrrole (PPy)/multiwalled carbon nanotube (MWCNT) composites have been synthesized by in situ chemical oxidation polymerization directed by various concentrations of cationic surfactant cetyltrimethylammonium bromide (CTAB). Raman spectra, FTIR, SEM, and TEM were used to characterize their structure and morphology. These results showed that the composites are core (MWCNT)shell (PPy) tubular structures with the thickness of the PPy layer in the range of 2040 nm, depending on the concentration of CTAB. Raman and FTIR spectra of the composites are almost identical to those of PPy alone. The electrical conductivities of these composites are 1-2 orders of magnitude higher than those of PPy without MWCNTs. (c) 2006 Wiley Periodicals, Inc.
ISSN: 0887-624X
DOI: 10.1002/pola.21724
Appears in Collections:材料科學與工程學系

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