Removal of Oxidative Debris from Chemically Functionalized Multi-walled Carbon Nanotube (MWCNT)

被引：0

作者：

Harun, Mohd Hamzah ^{[1
]}

Salleh, Nik Ghazali Nik ^{[1
]}

Alias, Mohd Sofian ^{[1
]}

Mohamed, Mahathir ^{[1
]}

Rahman, Mohd Faizal Abdul ^{[1
]}

Hamzah, Mohd Yusof ^{[1
]}

Umar, Khairil Nur Kamal ^{[1
]}

Othman, Norfazlinayati ^{[2
]}

机构：

[1] Agensi Nuklear Malaysia, Kajang 43000, Selangor, Malaysia

[2] Univ Putra Malaysia, Fac Sci, Serdang 43400, Selangor, Malaysia

来源：

INTERNATIONAL JOURNAL OF NANOELECTRONICS AND MATERIALS | 2018年 / 11卷 / 01期

关键词：

Oxidative fragments/debris; MWCNTs; chemical functionalization;

D O I：

暂无

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Oxidized multi-walled carbon nanotubes (MWCNTs) were prepared by functionalizing 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 Xray 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).

引用

页码：43 / 48

页数：6

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