| Autor: |
Harun, Mohd Hamzah, Salleh, Nik Ghazali Nik, Alias, Mohd Sofian, Mohamed, Mahathir, Abdul Rahman, Mohd Faizal, Hamzah, Mohd Yusof, Kamal Umar, Khairil Nur, Othman, Norfazlinayati |
| Předmět: |
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| Zdroj: |
International Journal of Nanoelectronics & Materials; 2018, Vol. 11 Issue 1, p43-48, 6p |
| Abstrakt: |
MWCNTs with nitric acid (70%). In order to remove the oxidative debris, in which partially attached onto the outer layer of MWCNTs side wall, the functionalized MWCNTs (f-MWCNTs) by reflux method were carried out with NaOH (1M) and followed by HCl (1M) wash. The presence of the carboxyl (--COOH) group that covalently attached onto the f-MWCNTs side wall is confirmed with acid-base titration (Boehm titration). The transmission electron microscopy images show the comparison of pristine MWCNTs, f-MWCNTs and base-acid wash of f-MWCNTs, whereas energy dispersive X-ray analysis confirms the removal of sulphur, a common catalyst material typically employed in the production of carbon nanotubes (CNTs). The UV-Visible spectroscopy shows the dispersibility of pure and functionalized MWCNTs in water (H2O). [ABSTRACT FROM AUTHOR] |
| Databáze: |
Complementary Index |
| Externí odkaz: |
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