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Transmission Electron Microscopy Investigation of Sb-Doped ZnO Nanoribbons and Zn7Sb2O12 Branched ZnO Nanoribbon Structure

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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 [0110], 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 [211] and [0110], respectively. The mechanisms of formation of such nanomaterials are also discussed.

Keywords: DENDRITIC NANOSTRUCTURE; DOPED SEMICONDUCTORS; ONE-DIMENSIONAL NANOMATERIALS

Document Type: Short Communication

DOI: http://dx.doi.org/10.1166/jnn.2006.344

Publication date: July 1, 2006

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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