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Chinese Journal of High Pressure Physics  > 2004  >  18(3): 220-224 .
YAO Li-De, YU Ri-Cheng, LI Feng-Ying, LIU Zhen-Xing, LI Ji-Xue, JIN Chang-Qing. Study of the Products of C3N6H6 Treated at High Temperature and High Pressure[J]. Chinese Journal of High Pressure Physics, 2004, 18(3): 220-224 . doi: 10.11858/gywlxb.2004.03.005
Citation: YAO Li-De, YU Ri-Cheng, LI Feng-Ying, LIU Zhen-Xing, LI Ji-Xue, JIN Chang-Qing. Study of the Products of C3N6H6 Treated at High Temperature and High Pressure[J]. Chinese Journal of High Pressure Physics, 2004, 18(3): 220-224 . doi: 10.11858/gywlxb.2004.03.005
shu

Study of the Products of C3N6H6 Treated at High Temperature and High Pressure

doi: 10.11858/gywlxb.2004.03.005
  • 1.

    Institute of Physics, Chinese Academy of Sciences, Beijing 100080, China;

  • 2.

    Department of Material, Changchun University of Techonology, Changchun 130012, China

More Information
  • Corresponding author: YAO Li-De
  • Received Date: 17 Nov 2003
  • Rev Recd Date: 17 Mar 2004
  • Publish Date: 05 Sep 2004
    Abstract
  • A black-brown powder was synthesized from melamine (C3N6H6) by means of high temperature and high pressure. Based on the analysis of X-ray diffraction patterns, the powder is composed of some un-decomposed raw material, carbon and intermediate phases. The existence of the intermediate phase with long periodicity along one direction is confirmed from transmission electron microscopy observation; Scanning electron microscopy shows many block tissues, in which a few holes exist; The atomic ratio of carbon and nitrogen is determined as 3.27∶1 in the powder from the measurement of Energy Dispersive X-ray Analysis. The high content of C is caused by the existence of carbon decomposed from the raw materials. In addition, the chemical bond states are investigated by Fourier transform infrared spectroscopy and X-ray photoelectron spectroscopy. As a result, the main bond styles in the powder are described as C(sp2)=N and C(sp2)N.

     

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