Abstract
Fluorine-doped carbon nanotubes were synthesized using cobalt and silver co-catalyst on magnesium oxide support and their morphological features studied using Raman spectroscopy, energy dispersive spectroscopy (EDX), scanning electron microscopy (SEM), transmission electron microscopy (TEM), and X-ray diffraction spectroscopy. The morphological images showed amorphous multiwall nanotubes with some crystalline regions that are attributable to the doping of the fluorine. The prepared material was used as adsorbent and the adsorption studies recorded a rapid uptake of Cr3+ by the CNTs which was mainly diffusion controlled. Equilibrium and thermodynamic were assessed by the concentration, time and temperature effects respectively.The thermodynamic studies suggested relatively low temperature (low energy) favoured sorption which was exothermic with a physic-sorption mechanism.
| Original language | English |
|---|---|
| Pages (from-to) | 1187-1197 |
| Number of pages | 11 |
| Journal | Digest Journal of Nanomaterials and Biostructures |
| Volume | 9 |
| Issue number | 3 |
| Publication status | Published - Jan 1 2014 |
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All Science Journal Classification (ASJC) codes
- Structural Biology
- Atomic and Molecular Physics, and Optics
- Biomedical Engineering
- Materials Science(all)
- Condensed Matter Physics
- Physical and Theoretical Chemistry
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Synthesis, Characterization and adsorption studies of fluorine–doped carbon nanotubes. / Osikoya, A. O.; Wankasi, D.; Vala, R. M.K.; Afolabi, A. S.; Dikio, E. D.
In: Digest Journal of Nanomaterials and Biostructures, Vol. 9, No. 3, 01.01.2014, p. 1187-1197.Research output: Contribution to journal › Article
TY - JOUR
T1 - Synthesis, Characterization and adsorption studies of fluorine–doped carbon nanotubes
AU - Osikoya, A. O.
AU - Wankasi, D.
AU - Vala, R. M.K.
AU - Afolabi, A. S.
AU - Dikio, E. D.
PY - 2014/1/1
Y1 - 2014/1/1
N2 - Fluorine-doped carbon nanotubes were synthesized using cobalt and silver co-catalyst on magnesium oxide support and their morphological features studied using Raman spectroscopy, energy dispersive spectroscopy (EDX), scanning electron microscopy (SEM), transmission electron microscopy (TEM), and X-ray diffraction spectroscopy. The morphological images showed amorphous multiwall nanotubes with some crystalline regions that are attributable to the doping of the fluorine. The prepared material was used as adsorbent and the adsorption studies recorded a rapid uptake of Cr3+ by the CNTs which was mainly diffusion controlled. Equilibrium and thermodynamic were assessed by the concentration, time and temperature effects respectively.The thermodynamic studies suggested relatively low temperature (low energy) favoured sorption which was exothermic with a physic-sorption mechanism.
AB - Fluorine-doped carbon nanotubes were synthesized using cobalt and silver co-catalyst on magnesium oxide support and their morphological features studied using Raman spectroscopy, energy dispersive spectroscopy (EDX), scanning electron microscopy (SEM), transmission electron microscopy (TEM), and X-ray diffraction spectroscopy. The morphological images showed amorphous multiwall nanotubes with some crystalline regions that are attributable to the doping of the fluorine. The prepared material was used as adsorbent and the adsorption studies recorded a rapid uptake of Cr3+ by the CNTs which was mainly diffusion controlled. Equilibrium and thermodynamic were assessed by the concentration, time and temperature effects respectively.The thermodynamic studies suggested relatively low temperature (low energy) favoured sorption which was exothermic with a physic-sorption mechanism.
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M3 - Article
VL - 9
SP - 1187
EP - 1197
JO - Digest Journal of Nanomaterials and Biostructures
JF - Digest Journal of Nanomaterials and Biostructures
SN - 1842-3582
IS - 3
ER -