炸药爆轰法制备纳米石墨粉

Nano-Graphite Synthesized by Explosive Detonation

摘要:

介绍了1种新的制备纳水石墨粉的方法——炸药爆轰法。对合成的粉末进行X射线衍射相分析，确认其为石墨结构，平均晶粒径为1．86nm～2.58nm。用透射电子显微镜和激光拉曼仪作进一步的分析，结果表明炸药爆轰法制备的粉末为纳米石墨粉，颗粒呈球形或椭球形。用小角X光散射仪对纳米石墨粉进行了粒度分布测量，粒径分布在1nm～60nm之间，属于纳米级。

Abstract:

In this article, preparation of nano-graphite powder in steel chamber by using pure TNT ( trinitrotoluene )explosives has been introduced. X-ray Diffraction (XRD) results indicate that the black solid powder which collected from the wall and the bottom of the chamber after detonation has graphite structure and the average size of the particles of graphite is 1.86 nm~2.58 nm. Transmission electron microscopy (TEM) and micro-Raman spectroscopy confirmed that the black powder is hexagonal-graphite structure and its shape is ball or ellipsoid. Small angle X-ray Scattering (SAXRS) results revealed that the particle size of nano-graphite is 1 nm~60 nm.