Different techniques for characterizing single-walled carbon nanotube purity

Neslihan Yuca; Zeyneb Camtakan; Nilgün Karatepe

doi:10.1117/12.2023215

24 September 2013 Different techniques for characterizing single-walled carbon nanotube purity

Neslihan Yuca, Zeyneb Camtakan, Nilgün Karatepe

Proceedings Volume 8814, Carbon Nanotubes, Graphene, and Associated Devices VI; 881403 (2013) https://doi.org/10.1117/12.2023215
Event: SPIE NanoScience + Engineering, 2013, San Diego, California, United States

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.

Citation Download Citation

Neslihan Yuca, Zeyneb Camtakan, and Nilgün Karatepe "Different techniques for characterizing single-walled carbon nanotube purity", Proc. SPIE 8814, Carbon Nanotubes, Graphene, and Associated Devices VI, 881403 (24 September 2013); https://doi.org/10.1117/12.2023215

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