A generic method to synthesise graphitic carbon coated nanoparticles in large scale and their derivative polymer nanocompositesTools Wang, Nannan, Yang, Zhuxian, Xu, Fang, Thummavichai, Kunyapat, Chen, Hongmei, Xia, Yongde and Zhu, Yanqiu (2017) A generic method to synthesise graphitic carbon coated nanoparticles in large scale and their derivative polymer nanocomposites. Scientific Reports, 7 (1). 11829/1-11829/9. ISSN 2045-2322 Full text not available from this repository.
Official URL: https://www.nature.com/articles/s41598-017-12200-1
AbstractA versatile Rotary Chemical Vapour Deposition (RCVD) technique for the in-situ synthesis of large scale carbon-coated non-magnetic metal oxide nanoparticles (NPs) is presented, and a controllable coating thickness varying between 1–5 nm has been achieved. The technique has significantly up-scaled the traditional chemical vapour deposition (CVD) production for NPs from mg level to 10 s of grams per batch, with the potential for continuous manufacturing. The resulting smooth and uniform C-coatings sheathing the inner core metal oxide NPs are made of well-crystallised graphitic layers, as confirmed by electron microscopy imaging, electron dispersive spectrum elemental line scan, X-ray powder diffractions and Raman spectroscopy. Using nylon 12 as an example matrix, we further demonstrate that the inclusion of C-coated composite NPs into the matrix improves the thermal conductivity, from 0.205 W∙m−1∙K−1 for neat nylon 12 to 0.305 W∙m−1∙K−1 for a 4 wt% C-coated ZnO composite, in addition to a 27% improvement in tensile strength at 2 wt% addition.
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