Flame synthesis of carbon nanotubes and few-layer graphene on metal-oxide spinel powders

Nasir K. Memon, Fusheng Xu, Geliang Sun, Sage J B Dunham, Bernard H. Kear, Stephen D. Tse

Research output: Contribution to journalArticle

26 Citations (Scopus)

Abstract

Multi-walled and single-walled carbon nanotubes (CNTs) and few-layer graphene (FLG) are grown directly on spinel powders using flame synthesis. CNT and FLG growth occurs via the decomposition of flame-generated carbon precursors (e.g., CO, C2H2, and CH4) over nanoparticles (i.e., Ni, Co, Fe, and Cu) reduced from the solid oxide. The growth of CNTs is investigated on NiAl2O4, CoAl2O4, and ZnFe2O4, using counterflow diffusion flame and multiple inverse-diffusion flames (m-IDFs), while the growth of FLG is investigated on CuFe2O4 using m-IDFs. As shown by analytical electron microscopy techniques, Raman spectroscopy, and X-ray diffraction, substrate temperature and spinel composition play critical roles in the growth of both CNTs and FLG.

Original languageEnglish
Pages (from-to)478-486
Number of pages9
JournalCarbon
Volume63
DOIs
Publication statusPublished - Nov 2013
Externally publishedYes

Fingerprint

Flame synthesis
Carbon Nanotubes
Graphite
Powders
Oxides
Graphene
Carbon nanotubes
Metals
Single-walled carbon nanotubes (SWCN)
Carbon Monoxide
Electron microscopy
Raman spectroscopy
Carbon
Nanoparticles
Decomposition
X ray diffraction
spinell
Substrates
Chemical analysis
Temperature

ASJC Scopus subject areas

  • Chemistry(all)

Cite this

Memon, N. K., Xu, F., Sun, G., Dunham, S. J. B., Kear, B. H., & Tse, S. D. (2013). Flame synthesis of carbon nanotubes and few-layer graphene on metal-oxide spinel powders. Carbon, 63, 478-486. https://doi.org/10.1016/j.carbon.2013.07.023

Flame synthesis of carbon nanotubes and few-layer graphene on metal-oxide spinel powders. / Memon, Nasir K.; Xu, Fusheng; Sun, Geliang; Dunham, Sage J B; Kear, Bernard H.; Tse, Stephen D.

In: Carbon, Vol. 63, 11.2013, p. 478-486.

Research output: Contribution to journalArticle

Memon, NK, Xu, F, Sun, G, Dunham, SJB, Kear, BH & Tse, SD 2013, 'Flame synthesis of carbon nanotubes and few-layer graphene on metal-oxide spinel powders', Carbon, vol. 63, pp. 478-486. https://doi.org/10.1016/j.carbon.2013.07.023
Memon, Nasir K. ; Xu, Fusheng ; Sun, Geliang ; Dunham, Sage J B ; Kear, Bernard H. ; Tse, Stephen D. / Flame synthesis of carbon nanotubes and few-layer graphene on metal-oxide spinel powders. In: Carbon. 2013 ; Vol. 63. pp. 478-486.
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