Synthesis of Graphite-like Carbon Nitride in Different Atmospheres and Its Thermal Stability

被引：0
|
作者：
Jiang P. [1 ]
Wang Z. [1 ]
Wang X. [1 ]
Liu H. [1 ]
Ma Y. [1 ]
机构：
[1] The State Key Laboratory of Refractories and Metallurgy, Wuhan University of Science and Technology, Wuhan
来源：
Cailiao Daobao/Materials Reports | 2021年 / 35卷 / 06期
基金：
中国国家自然科学基金;
关键词：
Graphite-like carbon nitride; Melamine; Thermal polymerization; Thermal stability;
D O I：
10.11896/cldb.20010111
中图分类号：
学科分类号：
摘要：
Graphite-like carbon nitride(g-C3N4) with lamellar structure was prepared using melamine as raw material via a facile thermal polymerization method at different temperatures in air and argon atmosphere. The effects of melamine pyrolysis in different atmospheres and the thermal stability of g-C3N4 products were studied by TG-DSC, X-ray diffraction (XRD), scanning electron microscope (SEM), transmission electron microscopy (TEM), fourier transform infrared spectroscopy (FT-IR) and Raman. The results showed that the pure phase g-C3N4 with high crystallinity and lamellar structure could be synthesized via the pretreated melamine by thermal polymerization method. In argon atmosphere, g-C3N4 with smooth and compact surface is more favorable than air atmosphere. g-C3N4 with lamellar structure could be observed at 500℃, and it could still exist stably at 700℃. The thermal stability of g-C3N4 synthesized in argon atmosphere was better than g-C3N4 in air atmosphere. © 2021, Materials Review Magazine. All right reserved.
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页码：6048 / 6053
页数：5
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