通过反相微乳液法制备了纳米铜粒子,并用透射电子显微镜(TEM)、电子衍射(SAED)和能谱对铜纳米粒子的形貌和物相进行了表征.在H2O/表面活性剂油酸钠摩尔比(W/O)为11、8时分别制得了粒径为50nm、10nm的铜粒子.结果表明:W/O值对纳米铜粒子的粒径有非常明显的影响,当其值由11降到8时,粒径则从50nm降到了10nm,且更加均匀.探讨了水与表面活性剂的摩尔比对制备的纳米铜颗粒的粒径的影响.
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