在络合剂EDTA、保护剂PVP存在的条件下,通过超声电沉积方法在硝酸银溶液中制备出形状不同的零维、一维银纳米材料.研究结果表明:当硝酸银浓度为0.0118 mol/L、硝酸银与EDTA数量比为1:1时,银纳米粒子为类球形,直径约30 nm.当加入2 g/L的PVP时,可获得直径约30 nm,长度不等的银纳米线.选区电子衍射和紫外可见吸收光谱表明,银纳米颗粒具有面心立方结构,其形貌和粒径影响微粒的光吸收特性.
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