Superfine NiO powders,15~50nm ca., with single phase and uniform particle size have been prepared from Ni(NO3)2 by a polymer network gel process. The results demonstrate that the distribution of the particle sizes of...Superfine NiO powders,15~50nm ca., with single phase and uniform particle size have been prepared from Ni(NO3)2 by a polymer network gel process. The results demonstrate that the distribution of the particle sizes of final oxides depends on the heated temperature,time and concentration of original nickel nitrate solution. The control of particle size of nano NiO powders can be realized by the control of the condition of the process.展开更多
文摘Superfine NiO powders,15~50nm ca., with single phase and uniform particle size have been prepared from Ni(NO3)2 by a polymer network gel process. The results demonstrate that the distribution of the particle sizes of final oxides depends on the heated temperature,time and concentration of original nickel nitrate solution. The control of particle size of nano NiO powders can be realized by the control of the condition of the process.