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Vol. 30 No. 7 (2018): Vol 30 Issue 7

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Characterization of Amide and Ester Functionalized Multiwalled Carbon Nanotubes

https://doi.org/10.14233/ajchem.2018.21274
Nurjahirah Janudin
Defence Science Department, Faculty of Defence Science and Technology, Universiti Pertahanan Nasional Malaysia, Kem Sg Besi, 57000, Kuala Lumpur, Malaysia
Luqman Chuah Abdullah
Department of Chemical and Environmental Engineering, Faculty of Engineering, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia
Norli Abdullah
Department of Chemistry and Biology, Centre for Defence Foundation Studies, Universiti Pertahanan Nasional Malaysia, Kem Sungai Besi, 57000 Kuala Lumpur, Malaysia
Faizah M. Yasin
Department of Chemical and Environmental Engineering, Faculty of Engineering, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia
Norshafiqah Mohamad Saidi
Defence Science Department, Faculty of Defence Science and Technology, Universiti Pertahanan Nasional Malaysia, Kem Sg Besi, 57000, Kuala Lumpur, Malaysia
Noor Azilah Mohd Kasim
Department of Chemistry and Biology, Centre for Defence Foundation Studies, Universiti Pertahanan Nasional Malaysia, Kem Sungai Besi, 57000 Kuala Lumpur, Malaysia

Corresponding Author(s) : Noor Azilah Mohd Kasim

azilah@upnm.edu.my

Asian Journal of Chemistry, Vol. 30 No. 7 (2018): Vol 30 Issue 7

Abstract

Multi-walled carbon nanotubes (MWCNT) were functionalized by different functional group via amidation and esterification process. The MWCNT were treated with H2SO4/HNO3 first to introduce carboxylic acid functional group on the surface of MWCNT. This carboxylic group was used as reaction precursor in the functionalization. There are two functionalizing reactant were used which is dodecylamine, CH3(CH2)11NH2 and 1-octadecanol, CH(CH)17OH. Electron microscopy revealed that the morphology of amide and ester functionalized MWCNT exhibit decrease in their diameter size due to insertion of amide and ester functional group. Raman measurements showed that G-band (graphitic structure) of amide and ester functionalized MWCNT slightly shifted downfield about 6-8 cm–1 due to presence of new functional group on the surface of MWCNT. Multi-walled carbon nanotubes attached to organofunctional element have greater flexibility for further usage in various application fields such as nanocomposite material, biology and chemical sensor and environmental monitoring.

Keywords

Multi-walled carbon nanotubes Amidation Esterification FESEM-EDX analysis
Janudin, N., Abdullah, L. C., Abdullah, N., Yasin, F. M., Saidi, N. M., & Mohd Kasim, N. A. (2018). Characterization of Amide and Ester Functionalized Multiwalled Carbon Nanotubes. Asian Journal of Chemistry, 30(7), 1613–1616. https://doi.org/10.14233/ajchem.2018.21274
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