High-Pressure Synthesis of sp2-Bonded Carbon Nitrides

David C. Nesting, John V. Badding

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87 Scopus citations


We have synthesized amorphous sp2-bonded carbon nitrides at high pressure. A precursor composed of carbon and nitrogen, tetracyanoethylene, was compressed in a diamond anvil cell and laser heated to approximately 2000 °C. Transmission electron microscopy, electron diffraction, electron energy loss spectroscopy, and energy-dispersive X-ray analysis have been used to characterize the structure, bonding, and composition of the carbon nitrides. The amount of nitrogen incorporated into the network increases with pressure, ranging from 24% (C3N) at 18 GPa to 38% at 42 GPa (C3N1.9), which represents the most nitrogen-rich carbon nitride yet prepared under pressure. A crystalline carbon phase is also found.

Original languageEnglish (US)
Pages (from-to)1535-1539
Number of pages5
JournalChemistry of Materials
Issue number7
StatePublished - Jul 1996

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Chemical Engineering(all)
  • Materials Chemistry


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