Transmission Electron Microscopy Investigation of Sb-Doped ZnO Nanoribbons and Zn7Sb2O12 Branched ZnO Nanoribbon Structure
Abstract:Sb-doped ZnO nanoribbons have been synthesized by simple thermal evaporation of powder mixtures of Zn and Sb2O3. The Sb-doped ZnO nanoribbons with hexagonal wurtzite structure have a growth direction of , widths of 100—300 nm, and lengths up to several hundreds of micrometers. The atomic ratio of Sb and Zn is about 1:40 by energy dispersive X-ray spectroscopy measurement. A stripe contrast is found in the center of the Sb-doped ZnO nanoribbon, which is speculated to be due to the enrichment of Sb in the center of the Sb-doped ZnO nanoribbon by energy dispersive X-ray spectroscopy line scanning element mapping. Furthermore, a novel Zn7Sb2O12 branched ZnO nanoribbon structure is investigated. The growth direction of the branch and the backbone are  and , respectively. The mechanisms of formation of such nanomaterials are also discussed.
Document Type: Short Communication
Publication date: 2006-07-01
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