研究论文

六方硼碳氮化合物的溶剂热合成与表征

  • 周友 ,
  • 高发明 ,
  • 郭文锋 ,
  • 侯莉
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  • 燕山大学环境与化学工程学院 秦皇岛 066004

收稿日期: 2010-12-21

  修回日期: 2011-09-26

  网络出版日期: 2011-11-01

基金资助

国家自然科学基金(No. 21071122)和教育部博士学科点专项基金(No. 20091333110009)和河北省杰出青年基金(No. E2010001169)资助项目.

Synthesis and Characterization of Hexagonal Boron Carbonitride Compounds Prepared by Solvothermal Method

  • Zhou You ,
  • Gao Faming ,
  • Guo Wenfeng ,
  • Hou Li
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  • College of Environmental and Chemical Engineering, Yanshan University, Qinhuangdao 066004

Received date: 2010-12-21

  Revised date: 2011-09-26

  Online published: 2011-11-01

Supported by

Project supported by the National Natural Science Foundation of China (No. 21071122) and Research Fund for the Doctoral Program of Higher Education of China ( No. 20091333110009) and the Outstanding Youth Fund of Hebei Province (No. E2010001169).

摘要

采用溶剂热合成方法, 以无水乙腈、叠氮化钠和四氟硼酸钠为原料, 以苯为溶剂, 在温度为400 ℃条件下, 成功合成出了硼碳氮(BCN)三元化合物. 利用X 射线粉末衍射(XRD)、Fourier 变换红外光谱(FTIR)、透射电子显微镜(TEM)、 选区电子衍射(SAED)、X 射线能谱(EDS)和电子能量损失谱(EELS)对合成产物进行了表征. XRD 和SAED 分析表明, 合成产物为六方相, 晶格常数为a=0.2678 nm, c=0.6639 nm; TEM 结果表明, 合成产物中存在纳米棒和四方柱状块体 BCN; EELS 和EDS 分析表明, 产物由B, C, N 三种元素组成, 化学式为B0.23C0.60N0.17; FTIR 分析表明样品中存在C— N, B—C 和B—N 键, 表明B, C, N 三元素之间达到了原子级化合.

本文引用格式

周友 , 高发明 , 郭文锋 , 侯莉 . 六方硼碳氮化合物的溶剂热合成与表征[J]. 化学学报, 2012 , 0(04) : 436 -440 . DOI: 10.6023/A1012212

Abstract

A solvothermal method has successfully applied to prepare hexagonal boron carbonitride from CH3CN, NaN3 and NaBF4 in benzene at 400 ℃. The synthesized product was characterized by X-ray powder diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), transmission electron microscopy (TEM), select area electron diffraction (SAED), X-ray energy-dispersive spectroscopy (EDS), and electron energy loss spectroscopy (EELS). XRD and SAED indicated that the synthesized product are h-BCN with the lattice constants of a=0.2678 nm and c=0.6639 nm. TEM images reveal that the products mainly consist of nanorods and quartet prism-like nanostructure. The results of EELS and EDS suggested that the product was composed of elements of B, C and N, and the chemical formula was B0.23C0.60N0.17. FTIR exhibited that the product had C—N, B—C and B—N bonds, indicating that an atomic-level hybrid of the three elements was synthesized.

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