Preparation of nitrides and carbides from g-C3N4

Li  PG; Lei  M; Zhao  HZTang  HLYang  HTang  WH

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Preparation of nitrides and carbides from g-C3N4

机译：Preparation of nitrides and carbides from g-C3N4

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摘要

By a facile solid-state reaction process using graphite-like phase Of C3N4 (g-C3N4) as a precursor with another one being corresponding elemental powders, we synthesized four technologically important nitrides and two carbides including cubic VN, CrN, hexagonal GaN, BN, WC and MoC at moderate temperatures. The products were characterized by field-emission scanning electron microscopy (FE-SEM), energy-dispersive X-ray spectroscopy (EDX), powder X-ray diffraction (XRD), transmission electron microscopy (TEM) and high-resolution TEM (HRTEM). The XRD results show that g-C3N4 is a highly efficient nitridizing and carbonizing reagent and the elemental powders are completely converted into the corresponding nitrides and carbides at lower temperatures than reported in the conventional methods. This novel route may provide new insights into the synthesis of other nitrides and carbides. (c) 2007 Elsevier B.V. All rights reserved.

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《Materials Chemistry and Physics》 |2007年第3期|234-239|共6页
作者
Li PG; Lei M; Zhao HZTang HLYang HTang WH;
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作者单位

Zhejiang Sci Tech Univ, Ctr Optoelect Mat & Device, Dept Phys, Hangzhou 310018, Peoples R China;

Chinese Acad Sci, Beijing Natl Lab Condensed Matter Phys, Beijing 100080, Peoples R China;

Chinese Acad Sci, Inst Phys, Beijing 100080, Peoples R ChinaWuhan Univ Technol, State Key Lab Adv Technol Mat Synth & Proc, Wuhan 430070, Peoples R China;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
原文格式 PDF
正文语种英语
中图分类工程材料学;
关键词
nitrides; carbides; electron microscopy (TEM and SEM); STOICHIOMETRIC SILICON-CARBIDE; SOLID-STATE METATHESIS; CARBON NITRIDE; MECHANICAL-PROPERTIES; POLYMER INFILTRATION; PRECERAMIC POLYMER; ALUMINUM NITRIDE; AZIDE PRECURSOR; METAL CARBIDES; GAN NANOWIRES;

Preparation of nitrides and carbides from g-C3N4

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