Carbon Nitride Compounds Synthesized by Thermal Annealing Amorphous Nanostructured Graphite under the Flow of NH<suB>3</suB> Gas

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	GONG Zhi-Guang
	LI Mu-Sen

关键词 ： 61.10.Eq, 81.40.Ef, 81.07.Bc

Abstract： Graphitic-C₃N₄ (g-C₃N₄) and pseudocubic-C₃N₄ (p-C₃N₄) have been synthesized by thermally annealing high-energy ball milled amorphous nanostructured graphite powders under NH₃ atmosphere. The experimental results by x-ray, transmission electron microscopy, selected electron area diffraction and parallel electron energy loss spectroscopy indicated that g-C₃N₄ grew from the milled graphite powders in the presence of NH₃ gas at a temperature of 1050°C. After treatment at a temperature of 1350°C, the pseudocubic-C₃N₄ phase forms. It was believed that the high-energy ball milling generates nanosized amorphous graphite structures, under subsequent isothermal annealing in a flow of NH₃ gas, the carbon nitride compound can easily form through reaction of nanostructured carbon with nitrogen of NH₃.

Key words： 61.10.Eq 81.40.Ef 81.07.Bc

出版日期: 2003-09-01

:	61.10.Eq
	81.40.Ef	(Cold working, work hardening; annealing, post-deformation annealing, quenching, tempering recovery, and crystallization)
	81.07.Bc	(Nanocrystalline materials)

引用本文:

GONG Zhi-Guang;LI Mu-Sen. Carbon Nitride Compounds Synthesized by Thermal Annealing Amorphous Nanostructured Graphite under the Flow of NH₃ Gas[J]. 中国物理快报, 2003, 20(9): 1540-1543.
GONG Zhi-Guang, LI Mu-Sen. Carbon Nitride Compounds Synthesized by Thermal Annealing Amorphous Nanostructured Graphite under the Flow of NH₃ Gas. Chin. Phys. Lett., 2003, 20(9): 1540-1543.

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https://cpl.iphy.ac.cn/CN/ 或 https://cpl.iphy.ac.cn/CN/Y2003/V20/I9/1540