期刊
ACS APPLIED MATERIALS & INTERFACES
卷 4, 期 5, 页码 2637-2642出版社
AMER CHEMICAL SOC
DOI: 10.1021/am300300f
关键词
organic-inorganic nanocomposites; atmospheric pressure plasma; insulation; partial discharge; dielectric breakdown
资金
- OCE
- University of New South Wales
- Australian Research Council (ARC)
- CSIRO's OCE
We report on the application of cold atmospheric-pressure plasmas to modify silica nanoparticles to enhance their compatibility with polymer matrices. Thermally nonequilibrium atmospheric-pressure plasma is generated by a high-voltage radio frequency power source operated in the capacitively coupled mode with helium as the working gas. Compared to the pure polymer and the polymer nanocomposites with untreated SiO2, the plasma-treated SiO2-polymer nanocomposites show higher dielectric breakdown strength and extended endurance under a constant electrical stress. These improvements are attributed to the stronger interactions between the SiO2 nanoparticles and the surrounding polymer matrix after the plasma treatment. Our method is generic and can be used in the production of high-performance organic-inorganic functional nanocomposites.
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