Fabrication of ZnO Hollow Microspheres Organized by ZnO Nanorods via Single-step Hydrothermal Process

摘要

Micrometer scale hollow ZnO dandelions organized by ZnO nanorods were prepared by single-step hydrothermal process. The diameter of the nanorods with the pencil shape tip is estimated to be 150-500nm. The length of the nanorods is more than 2μm. Structure analysis indicated that the as-prepared products were wurtzite structure with high crystallinity. The ZnO nanorods microspheres were found to have excellent UV emission properties at room temperature. These kinds of hollow spherical structures may find potential applications in photocatalysis, light-weight composite fillers, UV nano/micro-optoemission devices and photoanodes of dye-sensitized solar cells.