Preparation of boron nitride flakes by a simple powder reaction

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概要

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• Boron nitride (BN) with flake-like morphology has been synthesized by reacting powder H_3BO_3, Mg and NH_4Cl in an autoclave at 600℃ for 10h. X-ray diffraction (XRD) patterns show the sample has a hexagonal phase with lattice parameters a=0.2506 and c=0.6692nm. Transmission electron microscopy (TEM) and field emission scanning electron microscopy (FE-SEM) indicate the as-synthesized product is mainly pure flakes with a mean size of about 100nm in width and 600nm in length. X-ray photoelectron spectra (XPS) give an average B/N atomic ratio of 0.98: 1. Fourier transformation infrared spectroscopy (FTIR) has a strong B-N absorption at 1376cm^<-1> and 814cm^<-1>.

• 2008-02-01

著者

• Sun Cheng

  College Of Chemistry And Chemical Engineering Chongqing University

• DUAN Jie

  College of Chemistry and Chemical Engineering, Chongqing University

• XUE Rongshu

  College of Chemistry and Chemical Engineering, Chongqing University

• XU Yafei

  College of Chemistry and Chemical Engineering, Chongqing University

• Duan Jie

  College Of Chemistry And Chemical Engineering Chongqing University

• Xu Yafei

  College Of Chemistry And Chemical Engineering Chongqing University

• Xue Rongshu

  College Of Chemistry And Chemical Engineering Chongqing University

関連論文

• Preparation of boron nitride flakes by a simple powder reaction
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