Graphite-like carbon nitride (g-C3N4) nanopowders were synthesized by heat
treatment of urea in air at a temperature of 450–550°С for 30 min and studied by
X-ray diffraction and infrared spectroscopy. The main processes resulting in the
formation of g-C3N4 from urea under the above conditions was established using
the method of simultaneous thermal analysis. It was found that with an increase
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