A new method for deaggregation of nanodiamond from explosive detonation: graphitization-oxidation method
Xu Kang1, Xue Qunji1
1State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, China
Email: kangxu@lsl.ac.cn
Выставление онлайн: 19 марта 2004 г.
In this communication a new method for the deaggregation of detonation nanodiamond (ND) and some preliminary results using this method are presented. ND is firstly graphitized in nitrogen at 1000oC, and then oxidized by air at 450oC to remove the surface graphite layer formed. The sample after such treatment was suspended in water by ultrasonics, and the particle-size distributions were measured. It has been found that the diameters of more than 50% of the ND particles can be reduced to less than 50 nm.
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