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Proceedings Paper

Different techniques for characterizing single-walled carbon nanotube purity
Author(s): Neslihan Yuca; Zeyneb Camtakan; Nilgün Karatepe
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Paper Abstract

Transition-metal catalysts, fullerenes, graphitic carbon, amorphous carbon, and graphite flakes are the main impurities in carbon nanotubes. In this study, we demonstrate an easy and optimum method of cleaning SWCNTs and evaluating their purity. The purification method, which employed oxidative heat treatment followed by 6M HNO3, H2SO4, HNO3:H2SO4 and HCl acid reflux for 6h at 120°C and microwave digestion with 1.5M HNO3 for 0.5h at 210°C which was straightforward, inexpensive, and fairly effective. The purified materials were characterized by thermogravimetric analysis and nuclear techniques such as INAA, XRF and XRD.

Paper Details

Date Published: 24 September 2013
PDF: 10 pages
Proc. SPIE 8814, Carbon Nanotubes, Graphene, and Associated Devices VI, 881403 (24 September 2013); doi: 10.1117/12.2023215
Show Author Affiliations
Neslihan Yuca, Istanbul Technical Univ. (Turkey)
Zeyneb Camtakan, Istanbul Technical Univ. (Turkey)
Nilgün Karatepe, Istanbul Technical Univ. (Turkey)


Published in SPIE Proceedings Vol. 8814:
Carbon Nanotubes, Graphene, and Associated Devices VI
Didier Pribat; Young Hee Lee; Manijeh Razeghi; Seunghyun Baik, Editor(s)

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