Preparation and optical absorption properties of nanowireCu/ Al₂O₃ composite materials by electrodeposition

One-dimensional Cu nanowire and Cu/ Al₂O₃ composite materials were prepared successfully by elect rodeposition. The phase microst ructure and morphology were characterized by SEM , TEM and XRD. There exist oneabsorption belt and no plasm resonance absorption peak in analysis of ult raviolet-visible absorption spect rum. Theabsorption border shif t to the inf rared direction in cont rast to the anodic alumina template is due to the increasing ofdispersion center.