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Ultrarapid multimode microwave synthesis of nano/submicron β-SiC
Date
2018
Abstract
This paper presents the design, development and realization of a fast and novel process for the synthesis of 3C silicon carbide (β -SiC) nanorods and submicron powder. Using SiO2 (or Si) and activated carbon (AC), this process allows β-SiC to be synthesized with almost 100% purity in timeframes of seconds or minutes using multimode microwave rotary tube reactors under open-air conditions. The synthesis temperature used was 1460 ± 50 °C for Si + AC and 1660 ±50 °C for SiO2 + AC. The shortest β -SiC synthesis time achieved was about 20 s for Si + AC and 100 s for SiO2 + AC. This novel synthesis method allows for scaled-up flow processes in the rapid industrial-scale production of β-SiC, having advantages of time/energy saving and carbon dioxide emission reduction over comparable modern processes.
Supervisor
Description
peer-reviewed
Publisher
MDPI
Citation
Materials;11, 17
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Keywords
Funding code
Funding Information
National Natural Science Foundation of China, Shanghai Science and Technology Committee, State Key Laboratory of Pollution Control and Resource Reuse (SKL)
Sustainable Development Goals
External Link
Type
Article
Rights
https://creativecommons.org/licenses/by-nc-sa/1.0/