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Large Area Synthesis of Conical Carbon Nanotube Arrays on Graphite and Tungsten Foil Substrates by Santoshrupa Dumpala; Jacek B. Jasinski; Gamini U. Sumanasekera; Mahendra K. Sunkara is a Materials Science article available to read on EtoBox.
What is Large Area Synthesis of Conical Carbon Nanotube Arrays on Graphite and Tungsten Foil Substrates about?
Conical carbon nanotube (CCNT) arrays were synthesized over a large area of approximately 1 cm 2 or more on graphite and tungsten foil substrates. Experimental observations reveal that nucleation is caused by catalyst metal cluster in the initial stages, but the tapered morphology occurs due to the difference in the rates of vertical growth by attachment carbon atoms at edges of growing graphene sheets and radial growth with epitaxial nucleation of new graphene layers near bottom at the substrate. The above mechanism is supported through re-growth experiments on straight multi-walled nanotubes and growth kinetics data, which suggest a linear relationship between the growth rate and ratio of diameter to length (d/l) of CCNT.
Who reads Large Area Synthesis of Conical Carbon Nanotube Arrays on Graphite and Tungsten Foil Substrates?
It is typically read by researchers, students, and practitioners in Materials Science.
- Author
- Santoshrupa Dumpala; Jacek B. Jasinski; Gamini U. Sumanasekera; Mahendra K. Sunkara
- Publisher
- Elsevier Science; Elsevier ; Elsevier Ltd.; Elsevier BV (ISSN 0008-6223)
- Published
- 2011
- Language
- EN
- Field
- Materials Science (Physical Sciences)