期刊
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
卷 9, 期 23, 页码 7728-7736出版社
AMER CHEMICAL SOC
DOI: 10.1021/acssuschemeng.0c08637
关键词
Green synthesis; Liquid-phase plasma; Optical emission spectroscopy; SiOC nanoparticles
资金
- CWO Mobility Fund Program, Gent University, Belgium
This study demonstrates a novel approach to synthesizing crystalline-phase SiOC nanoparticles through gas bubble discharge in a liquid environment, providing insights into the formation mechanism and potential for large-scale production of these nanomaterials.
Si-based ceramics such as silicon oxycarbide (SiOC) exhibit inimitable electrical, thermal, chemical, mechanical, and biological properties and have attracted interest for a wide range of technological applications. Recently, considerable efforts have been made to improve the conventional approach to produce Si-based ceramics that requires extreme environments and cannot be directly used to form the particles on a nanosize scale. In this study, we demonstrate that SiOC nanoparticles (NPs) with a crystalline phase can be synthesized at atmospheric pressure in a gas bubble discharge in liquid hexamethyldi-siloxane. The as-prepared nanoparticles exhibit a carbon-free and highly crystalline structure of SiC. The mechanism of the formation of SiOC NPs was systematically studied, providing an in-depth understanding of the formation of SiOC NPs and insight on the way to control the structures of Si-based ceramic NPs. This novel approach offers a simple, efficient, and green route for the production of SiOC NPs and has great potential to produce such nanomaterials on a large scale.
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