Synthesis of Single-Crystalline ZnO Polyhedral Submicrometer-Sized Hollow Beads Using Laser-Assisted Growth with Ethanol Droplets as Soft Templates


  • This work was supported by the National Natural Science Foundation of China (Grant No. 20021002, 20173046, and 20273052), the Ministry of Science and Technology of China (Grant No. 2001CB610506, 2002CCA01600), the Natural Science Foundation of Fujian Province (Grant No. E0310004) and the Fok Ying-Tung Educational Foundation.


A soft-template method for the controlled synthesis of hollow beads using laser- assisted growth with ethanol droplets as the soft template is proposed (see Figure). Single-crystalline ZnO polyhedral hollow beads in the range of 200–500 nm have been successfully synthesized.