采用水热法在各种衬底上低温、一步合成出一维有序ZnO单晶纳米棒阵列.以透明导电玻璃(ITO)、聚对苯二甲酸乙二醇酯(PET)以及铜作为衬底时,必须预先沉积一层ZnO薄膜作为形核层才能获得ZnO纳米棒阵列.然而,以黄铜作为衬底时,无需形核层也能获得纳米棒阵列.采用SEM、XRD、紫外吸收光谱等方法对纳米棒的结构以及形貌等进行了表征.此外还发现ZnO纳米棒阵列具有很好的紫外光催化活性,3h内对亚甲基蓝的降解率达到53％.尽管修饰CdSe层有助于提高ZnO纳米棒阵列在可见光波段的吸收,但其紫外光催化活性反而降低.并具体讨论了ZnO纳米棒阵列的合成与光催化性能.
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