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A promising nanohybrid of silicon carbide nanowires scrolled by graphene oxide sheets with a synergistic effect for poly(propylene carbonate) nanocomposites

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Abstract

A facile method to construct scroll-like nanohybrids combining one dimensional ceramic silicon carbide (SiC) nanowires with 2D graphene oxide (GO) nanosheets is presented. The SiC/GO nanohybrids with an oxygen-containing GO outer surface, which are easily and stably dispersed in water and various organic solvents, can be used as a new type of nanofiller for the preparation of easily dispersed poly(propylene carbonate) (PPC)-based nanocomposites using a simple physical blending procedure. The scroll-like structure of the SiC/GO nanohybrids enhances adhesion and the compatibility of SiC with PPC, while preventing the GO sheets from aggregating face-to-face in the PPC. The PPC-based nanocomposites, incorporated with SiC/GO nanohybrids, show synergistic effects with superior thermal, mechanical, shape memory and barrier properties compared to those made as individual (i.e. SiC or GO enhanced) PPC nanocomposites. An optimal performance PPC–SiC/GO nanocomposite that showed improvements in both the glass transition temperature (Tg) and the thermal degradation temperature (Td) was obtained with 0.1 wt% SiC/GO.

Graphical abstract: A promising nanohybrid of silicon carbide nanowires scrolled by graphene oxide sheets with a synergistic effect for poly(propylene carbonate) nanocomposites

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Publication details

The article was received on 13 Jul 2017, accepted on 02 Oct 2017 and first published on 02 Oct 2017


Article type: Paper
DOI: 10.1039/C7TA06080G
Citation: J. Mater. Chem. A, 2017, Advance Article
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    A promising nanohybrid of silicon carbide nanowires scrolled by graphene oxide sheets with a synergistic effect for poly(propylene carbonate) nanocomposites

    H. Qu, Y. Wang, Y. S. Ye, W. Zhou, S. P. Bai, X. P. Zhou, H. Y. Peng, X. L. Xie and Y. Mai, J. Mater. Chem. A, 2017, Advance Article , DOI: 10.1039/C7TA06080G

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