Oxidative purification of carbon nanotubes and its impact on catalytic performance in oxidative dehydrogenation reactions

• Main Authors: Rinaldi, A., Zhang, J., Frank, B., Su, D.S., Hamid, Sharifah Bee Abd, Schloegl, R.
• Format: Article
• Published: Wiley 2010
• Subjects: Q Science (General); QD Chemistry
• Online Access: http://eprints.um.edu.my/15359/; https://doi.org/10.1002/cssc.200900179
• Institution: Universiti Malaya

Oxidative purification with mild diluted HNO(3) followed by NaOH washing lowers the amount of amorphous carbon attached to multiwalled carbon nanotubes (CNTs). The graphitic structure improves remarkably by further annealing in argon at elevated temperatures, that is, 1173, 1573, and 1973 K. The inf...