Study and Preparation of Ultrafine Silver Powder by Microemulsion
2001
The preparation methods of ultrafine silver powder by reaction of oxidation-reduction in microemulsion were investigated. The ultrafine silver powders can be prepared with H 2O 2 as reducing agent. The size of silver powder was determined by TEM?WAXD and SEM.The results show that the diameter of silver powder is about 6~15 μm in emulsion with PVA as emulsifying agent and the ultrafine silver powders with 10~20 nm diameter can be gained in microemulsion with OP as emulsifying agent.
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