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Vol.2 , No. 3, Publication Date: Jun. 21, 2016, Page: 25-19
 was purified with nitric acid (SWCNT-HNO<sub>3</sub>) treatment process. The N<sub>2</sub> (adsorption/desorption) measurement showed an increased of the surface area for the raw material to the SWCNT 4 normal (4N) acid (HNO<sub>3</sub>) treatment material, and a decrease surface area for the SWCNT-4N acid treatment material to the SWCNT-8N acid treatment material. The transmission electron microscopy (TEM) analysis implied that some amorphous carbons have been removed from the treated samples and defects on the sidewalls have been observed. The X-ray powder diffraction (XRPD) results indicated an increased of the diffraction peak for the treated samples around 1.826 <i>Q</i> and 3.083 <i>Q</i>. The increased of the peak for the treated sample at 1.826 <i>Q</i> suggested that the amorphous carbon covering on the SWCNTs has been removed from the treated samples. However the increased of the peak intensity at 3.083 <i>Q</i> indicated the formation of functional groups on the SWCNT after acid treatment.&picture=http://www.aascit.org/aascit/decorators/img/journal/891.jpg)
| [1] | A. Diama, Department of Condensed Matter and Technology, University of Felix Houphouet Boigny, Abidjan, Côte d’Ivoire. |
| [2] | V. Manu, Department of Discipline of Inorganic Materials and Catalysis (DIMC), Central Salt and Marine Chemicals Research Institute (CSMCRI), Bhavnagar, India. |
| [3] | M. Grafoute, Department of Condensed Matter and Technology, University of Felix Houphouet Boigny, Abidjan, Côte d’Ivoire. |
| [4] | H. C. Bajaj, Department of Discipline of Inorganic Materials and Catalysis (DIMC), Central Salt and Marine Chemicals Research Institute (CSMCRI), Bhavnagar, India. |
As prepared single-wall carbon nanotube (AP-SWCNT) was purified with nitric acid (SWCNT-HNO3) treatment process. The N2 (adsorption/desorption) measurement showed an increased of the surface area for the raw material to the SWCNT 4 normal (4N) acid (HNO3) treatment material, and a decrease surface area for the SWCNT-4N acid treatment material to the SWCNT-8N acid treatment material. The transmission electron microscopy (TEM) analysis implied that some amorphous carbons have been removed from the treated samples and defects on the sidewalls have been observed. The X-ray powder diffraction (XRPD) results indicated an increased of the diffraction peak for the treated samples around 1.826 Q and 3.083 Q. The increased of the peak for the treated sample at 1.826 Q suggested that the amorphous carbon covering on the SWCNTs has been removed from the treated samples. However the increased of the peak intensity at 3.083 Q indicated the formation of functional groups on the SWCNT after acid treatment.
Keywords
Carbon Nanotubes, Acid Nitric, BET Surface Area, Adsorption Properties, Transmission Electron Microscopy, X Ray Powder Diffraction
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