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| - Morphology-Controlled Synthesis of ZnO Nanostructures by a Simple Round-to-RoundMetal Vapor Deposition Route
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| Abstract
| - One-dimensional ZnO nanostructures with different morphologies have been successfully synthesized througha simple round-to-round metal vapor deposition route at 550 °C with a zinc powder covered indium film asthe source material. The structures and morphologies of the products were characterized in detail by usingX-ray diffraction, scanning electron microscopy, and transmission electron microscopy. Studies found thatthe morphology of the products can be easily tuned from one experimental round to another. Possible growthmechanisms for the formation of one-dimensional ZnO nanostructures with different morphologies arediscussed. Photoluminescence studies show that there are sharp UV emission and broad defect-related greenemissions for the products obtained in all experimental rounds. Relative intensity of the UV emission todefect-related emissions gradually increased from one experimental round to another.
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