Abstract
We demonstrate the synthesis, characterization and application of pure and tin (Sn) doped zinc oxide (ZnO) nanostructures with unique optical properties. Pencil-shaped nanorods were synthesized using a mixture of pure ZnO and carbon as starting material. The growth mechanism of these nanorods is discussed in detail. Sn-doped ultra-long belt-shape ZnO structures show many different colors in a single belt under fluorescent light in an optical microscope. These different colors are attributed to the presence of different defects in the ZnO lattice. X-ray diffraction and UV–VIS spectroscopy results are in good agreement with each other. A major application for these belts is likely to be in a single-particle sensor. A single belt based UV sensor is also fabricated and the results suggest that these photoconducting belts can serve as highly sensitive UV-light detectors.
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Acknowledgements
The authors would like to thank the Higher Education Commission (HEC) Pakistan for financial support through the National Research Program for Universities. This work was also financially supported through the ‘Projects & Research’ axis of the Alamoudi Water Chair (AWC) at King Saud University, Riyadh, Saudi Arabia.
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Zia, S., Amin, M., Manzoor, U. et al. Ultra-long multicolor belts and unique morphologies of tin-doped zinc oxide nanostructures. Appl. Phys. A 115, 275–281 (2014). https://doi.org/10.1007/s00339-013-7807-z
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DOI: https://doi.org/10.1007/s00339-013-7807-z