Preparation of spongy microspheres consisting of functionalized multiwalled carbon nanotubes

Dutta, D; Dubey, R; Yadav, J; Shami, TC; Rao, KUB

HERO ID

742173

Reference Type

Journal Article

Year

2011

HERO ID 742173
In Press No
Year 2011
Title Preparation of spongy microspheres consisting of functionalized multiwalled carbon nanotubes
Authors Dutta, D; Dubey, R; Yadav, J; Shami, TC; Rao, KUB
Journal New Carbon Materials (English Edition) (Online)
Volume 26
Issue 2
Page Numbers 98-102
Abstract Multiwalled carbon nanotubes (MWCNTs) were synthesized by catalytic chemical vapor deposition and functionalized by oxidation with potassium permanganate at room temperature using a phase transfer catalyst, methyl trioctyl ammonium chloride as a dispersion agent. The functionalized nanotubes were characterized by Fourier transform infrared spectroscopy and thermogravimetry. Sonication was used to assist their dispersion in dichloromethane and the resulting suspension was added dropwise to a stirred polyvinyl alcohol aqueous solution and spongy microspheres were formed. SEM showed that the microspheres consisted of loosely entangled MWCNTs that had diameters in the range 50-150 mu m. The microspheres may be useful for lightweight energy absorbing coatings, catalyst and electronics applications.
Doi 10.1016/s1872-5805(11)60069-3
Wosid WOS:000290291000004
Url http://linkinghub.elsevier.com/retrieve/pii/S1872580511600693
Is Certified Translation No
Dupe Override No
Is Public Yes
Keyword Multiwalled carbon nanotubes; Functionalized nanotubes; Phase transfer catalyst; Microspheres; Sponge
Is Qa No