Functionalization of multi-walled carbon nanotubes and its application in preparing the 3D graphene/carbon nanotubes hybrid architectures |
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| Authors: | Kai Fan Linfan Li Jun Hu |
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| Affiliation: | 1. Sanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai, China;2. School of Architecture and Materials, Chongqing College of Electronic Engineering, Chongqing, China;3. University of Chinese Academy of Sciences, Shijingshan District, Beijing, PR China |
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| Abstract: | A facile strategy for the preparation of water-dispersible multi-walled carbon nanotubes (MWCNTs) in aqueous solution for the preparation of the three-dimensional (3D) graphene/carbon nanotube (G/CNT) hybrid architectures is proposed, where MWCNTs were functionalized by simultaneous radiation-induced graft polymerization of acrylic acid under the γ-ray (denoted as MWCNT-g-PAA) for improving its dispersibility. The stability of the aqueous solution of MWCNT-g-PAA in water is highly improved. We also use the MWCNT-g-PAA fabricating three-dimensional cylindrical graphene/carbon nanotube (G/CNT) hybrid architectures by a simple one-step hydrothermal process. We found that the as-prepared MWCNTs-g-PAA showed a very good dispersibility in GO solution with different concentration ratio and a promising precursor for preparing the graphene/CNT hybrid materials. |
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| Keywords: | hybrid hydrothermal water-dispersible carbon nanotube graphene three-dimensional |
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