Author/Authors :
Ma، نويسنده , , Jianhua and Li، نويسنده , , Jun and Li، نويسنده , , Guoxing and Tian، نويسنده , , Yiguang and Zhang، نويسنده , , Jing and Wu، نويسنده , , Jufeng and Zheng، نويسنده , , Jinyong and Zhuang، نويسنده , , Hemiao and Pan، نويسنده , , Tonghua، نويسنده ,
Abstract :
Nanocrystalline boron nitride (BN) was synthesized via a simple route by the reaction of sodium borohydride with sodium azide in an autoclave at 600 °C. X-ray powder diffraction pattern indicated that the product was hexagonal BN, and the cell constant was a = 2.495 إ, c = 6.687 إ. Transmission electron microscopy image showed that it consisted of whisker-like particles with an average size of 200 nm × 20 nm. The product was also studied by FT-IR, XPS and TGA. It has good thermal stability and oxidation resistance in high temperature.
Keywords :
A. Nitrides , B. Chemical synthesis , A. Nanostructures , C. X-ray diffraction
