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Functionalized carbon nanotubes for mixed matrix membrane

Carbon nanotubes (CNTs) have generated great interest within the many areas of nanotechnology due to their superior and outstanding physical properties. However effective dispersion in many solvents has imposed limitations upon the use of CNTs in a number of novel applications. Functionalization pre...

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Main Authors:	Mohd. Sanip, Suhaila, Ismail, Ahmad Fauzi, Aziz, Madzlan, Soga, Tetsuo
Format:	Article
Published:	Oxford University Press 2009
Subjects:	TA Engineering (General). Civil engineering (General) TK Electrical engineering. Electronics Nuclear engineering
Online Access:	http://eprints.utm.my/id/eprint/14623/ http://dx.doi.org/10.1587/transele.E92.C.1427
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spelling	my.utm.146232011-09-30T15:20:56Z http://eprints.utm.my/id/eprint/14623/ Functionalized carbon nanotubes for mixed matrix membrane Mohd. Sanip, Suhaila Ismail, Ahmad Fauzi Aziz, Madzlan Soga, Tetsuo TA Engineering (General). Civil engineering (General) TK Electrical engineering. Electronics Nuclear engineering Carbon nanotubes (CNTs) have generated great interest within the many areas of nanotechnology due to their superior and outstanding physical properties. However effective dispersion in many solvents has imposed limitations upon the use of CNTs in a number of novel applications. Functionalization presents a solution for CNTs to be more soluble which make them integrate well into any organic, inorganic or biological systems. CNTs can be easily functionalized using cyclodextrin (CD) treatment. The CD modification of carbon nanotubes is both simple and effective. It requires no prolonged heating, filtration and washing which can severely damage the small diameter nanotubes. The formation of surface functional groups and changes of nanotubes structures of functionalized carbon nanotubes (f-CNTs) were monitored by Fourier transform infrared spectroscopy (FTIR), Thermo gravimetric analysis (TGA) and field emission scanning electron microscopy (FESEM), respectively. From the TGA results, the amount of weight loss of the f-CNTs in varying ratios indicated the amount of CD that was functionalized. It was also noted that the FTIR spectra showed the presence of functional groups associated with CD in the f-CNTs. As a result, the cyclodextrin groups were found to be possibly adsorbed at the surface of the nanotubes walls. The f-CNTs showed substantial solubility in N-methyl-2-pyrrolidone (NMP) which helps in a better distribution of the CNTs in the mixed matrix membrane (MMM) prepared. Hence, the influence of the f-CNTs in the polymer matrix will give rise to enhanced physical properties of the MMM suitable for applications in gas separations. Oxford University Press 2009 Article PeerReviewed Mohd. Sanip, Suhaila and Ismail, Ahmad Fauzi and Aziz, Madzlan and Soga, Tetsuo (2009) Functionalized carbon nanotubes for mixed matrix membrane. IEICE Transactions on Electronics, E92-C (12). pp. 1427-1431. ISSN 0916-8524 http://dx.doi.org/10.1587/transele.E92.C.1427 doi:10.1587/transele.E92.C.1427
institution	Universiti Teknologi Malaysia
building	UTM Library
collection	Institutional Repository
continent	Asia
country	Malaysia
content_provider	Universiti Teknologi Malaysia
content_source	UTM Institutional Repository
url_provider	http://eprints.utm.my/
topic	TA Engineering (General). Civil engineering (General) TK Electrical engineering. Electronics Nuclear engineering
spellingShingle	TA Engineering (General). Civil engineering (General) TK Electrical engineering. Electronics Nuclear engineering Mohd. Sanip, Suhaila Ismail, Ahmad Fauzi Aziz, Madzlan Soga, Tetsuo Functionalized carbon nanotubes for mixed matrix membrane
description	Carbon nanotubes (CNTs) have generated great interest within the many areas of nanotechnology due to their superior and outstanding physical properties. However effective dispersion in many solvents has imposed limitations upon the use of CNTs in a number of novel applications. Functionalization presents a solution for CNTs to be more soluble which make them integrate well into any organic, inorganic or biological systems. CNTs can be easily functionalized using cyclodextrin (CD) treatment. The CD modification of carbon nanotubes is both simple and effective. It requires no prolonged heating, filtration and washing which can severely damage the small diameter nanotubes. The formation of surface functional groups and changes of nanotubes structures of functionalized carbon nanotubes (f-CNTs) were monitored by Fourier transform infrared spectroscopy (FTIR), Thermo gravimetric analysis (TGA) and field emission scanning electron microscopy (FESEM), respectively. From the TGA results, the amount of weight loss of the f-CNTs in varying ratios indicated the amount of CD that was functionalized. It was also noted that the FTIR spectra showed the presence of functional groups associated with CD in the f-CNTs. As a result, the cyclodextrin groups were found to be possibly adsorbed at the surface of the nanotubes walls. The f-CNTs showed substantial solubility in N-methyl-2-pyrrolidone (NMP) which helps in a better distribution of the CNTs in the mixed matrix membrane (MMM) prepared. Hence, the influence of the f-CNTs in the polymer matrix will give rise to enhanced physical properties of the MMM suitable for applications in gas separations.
format	Article
author	Mohd. Sanip, Suhaila Ismail, Ahmad Fauzi Aziz, Madzlan Soga, Tetsuo
author_facet	Mohd. Sanip, Suhaila Ismail, Ahmad Fauzi Aziz, Madzlan Soga, Tetsuo
author_sort	Mohd. Sanip, Suhaila
title	Functionalized carbon nanotubes for mixed matrix membrane
title_short	Functionalized carbon nanotubes for mixed matrix membrane
title_full	Functionalized carbon nanotubes for mixed matrix membrane
title_fullStr	Functionalized carbon nanotubes for mixed matrix membrane
title_full_unstemmed	Functionalized carbon nanotubes for mixed matrix membrane
title_sort	functionalized carbon nanotubes for mixed matrix membrane
publisher	Oxford University Press
publishDate	2009
url	http://eprints.utm.my/id/eprint/14623/ http://dx.doi.org/10.1587/transele.E92.C.1427
_version_	1643646438063734784
score	13.211869

Functionalized carbon nanotubes for mixed matrix membrane

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