Journal
JOURNAL OF APPLIED POLYMER SCIENCE
Volume 130, Issue 2, Pages 1029-1037Publisher
WILEY
DOI: 10.1002/app.39241
Keywords
catalysts; clay; degradation; morphology; nanotubes; graphene and fullerenes
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Funding
- National Basic Research Program of China (973 Program) [2012CB719701]
- NSFC
- CAAC [61079015]
- State Key Laboratory of Fire Science of USTC [HZ2011-KF05]
- China Postdoctoral Science Foundation [2012M511418]
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This work reports the selective preparation of different kinds of carbon nanomaterials through carbonization of polymethacrylate (PMA)/organophilic clay (Oclay) composite by just changing the catalyst precursors. The morphologies and structures of the carbon materials were characterized by Scanning and Transmission electron microscopy, X-ray diffraction, Raman spectroscopy, Fourier transform infrared spectroscopy and X-ray photoelectron spectroscopy. The result indicated that the catalyst precusors had a strong influence on the morphologies and yields of the obtained products. Carbon nanoflakes were produced when iron oxide was used as the catalyst precursor, cobalt oxide favored the formation of carbon nanospheres, while carbon nanotubes occurred over nickel oxide. The presence of Oclay plallets was determined to prevent the pyrolytic carbon species of PMA in the system from escaping, thus relatively more carbon nanomaterials were obtained. Based on the experimental observations, a possible mechanism was discussed for illustrating the growth process. (C) 2013 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 130: 1029-1037, 2013
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