Tseng, Yao-HungYao-HungTsengLin, Hsia-YuHsia-YuLinChen, Yang-FangYang-FangChenMou, Chung-YuanChung-YuanMou2010-09-202018-07-102010-09-202018-07-102008http://ntur.lib.ntu.edu.tw//handle/246246/204282en-USHierarchical ZnO Hexagons Made of Stacked Nanoplatelets Exhibit Whispering Gallery Mode Emissionjournal article