ZnO nanorods were then grown on the arrays via the VLS process.Microscopic observation on the nucleation and growth of ZnO nanorods grown from the a-plane sapphire substrate was made.

• 经由氧化锌奈米柱成核成长的显微观察，发现金颗粒触媒在成核阶段中因合金薄膜的形成而改变了位置。