Journal
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
Volume 27, Issue 3, Pages 266-270Publisher
JOURNAL MATER SCI TECHNOL
DOI: 10.1016/S1005-0302(11)60060-1
Keywords
Nanostructures; Polymers; Heat treatment
Funding
- National Natural Science Foundation of China [50572003, 50972004]
- State Key Basic Research Program of China [2006CB9326022006]
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The catalytic graphitization of thermal plastic phenolic-formaldehyde resin with the aid of ferric nitrate (FN) was studied in detail. The morphologies and structural features of the products including onion-like carbon nanoparticles and bamboo-shaped carbon nanotubes were investigated by transmission electron microscopy (TEM), high-resolution transmission electron microscopy (HRTEM), X-ray diffraction and Raman spectroscopy measurements. It was found that with the changes of loading content of FN and residence time at 1000 degrees C, the products exhibited various morphologies. The TEM images showed that bamboo-shaped carbon nanotube consisted of tens of bamboo sticks and onion-like carbon nanoparticle was made up of quasi-spherically concentrically closed carbon nanocages.
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