本文采用水热和溶剂热法制备了粒状、棒状、片状、管状纳米氧化锌粉体,并对四种不同形貌的氧化锌粉的光学性能进行了对比研究.结果表明:氧化锌纳米粒,纳米片和纳米管在200~400 nm区域的反射率均低于8%,而氧化锌纳米棒在200~400 nm区域的反射率大约为18%.氧化锌纳米管对甲基橙的光催化降解效果最好,在距离30 cm 的30 W紫外灯条件下进行照射,8 h完全降解,而氧化锌纳米棒对甲基橙的光催化降解效果最差,在相同的实验条件下,氧化锌纳米棒的降解率仅为70%.
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