Synthesis and Performance of Dopa-Modified Multiwalled Carbon Nanotubes

Lu Zhi Wang; Lin Yu; Xiao Ling Cheng; Jun He; Le Jia Lin; Tian Fang

doi:10.4028/www.scientific.net/AMM.184-185.1289

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 184-185Synthesis and Performance of Dopa-Modified...

Synthesis and Performance of Dopa-Modified Multiwalled Carbon Nanotubes

Abstract:

The Dopamine-modified multiwalled carbon nanotubes (MWNT-Dopa) were synthesized by chemical reaction between dopamine (Dopa) and multiwalled carbon nanotubes which oxidazed by mixed-acid (MWNT-COOH). The structure of MWNT-Dopa were analyzed by Fourier transform infrared spectroscopy (FT-IR), Thermogravimetric (TG), Transmission electron microscopy (TEM), and X-ray photoelectron spectroscopy (XPS) techniques and the dispersity of MWNT-Dopa were studied by Dispersion stability analyzer. The results show that dopamine has been grafted on multiwalled carbon nanotubes successfully, and a dopamine layer which wraps on the surface of multiwalled nanotubes make multiwalled nanotubes have outstanding dispersity in water.

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Periodical:

Applied Mechanics and Materials (Volumes 184-185)

Pages:

1289-1293

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.184-185.1289

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Online since:

June 2012

Authors:

Lu Zhi Wang, Lin Yu, Xiao Ling Cheng, Jun He, Le Jia Lin, Tian Fang

Keywords:

Carbon Nanotube (CN), Dispersity, Dopamine, Modified

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