Iodine-mediated high-pressure high-temperature carbonization of hydrocarbons and synthesis of nanodiamonds
Materials Research Bulletin(2021)
摘要
•The synthesis of nanodiamonds from 1-iodoadamantane occurs above 800 °C at 8 GPa.•Only graphite was synthesized in adamantane-I system at 3.5 and 8 GPa.•No diamonds were synthesized in adamantane-GeI4 system at 3.5 and 8 GPa.•Iodination of hydrocarbons is crucial for mass formation of nanodiamonds.•GeI4 is thermally stable up to 1250 °C at 8 GPa.
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关键词
A. Organic compounds,C. High pressure,C. X-ray diffraction,C. Raman spectroscopy,D. Catalytic properties
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