Synthesis of branched carbon nanotubes by carbonization of soild polyvinylidene fluoride fibers
- Synthesis of branched carbon nanotubes by carbonization of soild polyvinylidene fluoride fibers
- 조한익; 하흥용; Joghee Prabhuram; 조성무; 문상흡
- branched carbon nanotube; capacitor; fuel cell; electrode; platinum
- Issue Date
- VOL 49, NO 13, 4601-4603
- Branched carbon nanotubes (b-CNTs) were synthesized by carbonization of polyvinylidene
fluoride (PVDF) fibers containing a Pt catalyst. The solid fibrous polymer converted into carbon
nanotubes with simultaneous growth of branches on the surface of the tubes during
carbonization. The Pt particles were expected to decompose PVDF polymer inside the tubes
into volatile carbonaceous species leaving a hollow center, and also to act as catalytic sites
for the growth of carbon branches. The resulting b-CNTs had a high degree of graphitization
and a large electrochemical surface area, and also showed a possibility as a supporting
material for electrocatalysts.
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