A fast-pyrolysis self-propagating high temperature synthesis route to single phase of boron carbide ultrafine powders

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概要

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• Single phase of boron carbide B13C2 ultrafine powders was synthesized by a fast-pyrolysis-self-propagating high temperature synthesis method. The X-ray diffractometry is demonstrated a pure phase of rhombohedral structure. The field-emission scanning electron microscopy and transmission electron microscopy show that the size of particles ranged from 50 to 200 nm, with approximately 90 nm in average. The energy dispersive X-ray spectroscopy reveals that the sample has a uniform composition with the B/C atomic ratios ranging from 6.38 to 6.49. The Raman spectrum indicates the characteristic vibrations of C–B–C chain and B12 icosahedron. Fast-pyrolysis-self-propagating high temperature synthesis and vapor–solid growth mechanism ware proposed.

著者

• Wang Jilin

  School Of Materials Science And Engineering Wuhan Institute Of Technology

• Zhao Guowei

  School Of Materials Science And Engineering Wuhan Institute Of Technology

• Gu Yunle

  School Of Material Science And Engineering Wuhan Institute Of Technology

• Zhang Laiping

  School Of Material Science And Engineering Wuhan Institute Of Technology

• QIAN Qiongli

  School of Material Science and Engineering, Wuhan Institute of Technology

• WANG Weiming

  The State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology

• ZHANG Zhanhui

  School of Material Science and Engineering, Wuhan Institute of Technology

• ZHANG Fang

  School of Material Science and Engineering, Wuhan Institute of Technology

関連論文

• Synthesis of Horn-Like BN Derived from Thorn-Like Ca_2B_2O_5・H_2O
• High-yield Synthesis of Boron Nitride Nanotubes by Annealing Fe_3BO_6
• A Facile Continuous Production of Hexagonal Boron Nitride Powders
• A fast-pyrolysis self-propagating high temperature synthesis route to single phase of boron carbide ultrafine powders

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