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Facile One-Step Synthesis of Magnesium-Doped ZnO Nanoparticles: Optical Properties and Their Device Applications
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- Authors
- Ji-Young Oh, Sang-Chul Lim, Seong Deok Ahn, Sang Seok Lee, Kyoung-Ik Cho, Jae Bon Koo, Rino Choi, Musarrat Hasan
- Issue Date
- 2014-02
- Citation
- Journal of Physics D : Applied Physics, v.46, no.28, pp.1-5
- ISSN
- 0022-3727
- Publisher
- Institute of Physics (IOP)
- Language
- English
- Type
- Journal Article
- Abstract
- In this study, magnesium-doped (Mg-doped) zinc oxide (ZnO) nanoparticles were successfully synthesized by a sonochemical process under mild conditions. The x-ray diffraction pattern indicated that the Mg-doped ZnO nanoparticles maintain a wurtzite structure without impurities. We observed a blue-shift of the bandgap of the Mg-doped ZnO nanoparticles as the Mg-doping ratio increased. We also fabricated thin-film transistor (TFT) devices with the doped-ZnO nanoparticles. Devices using Mg-doped ZnO nanoparticles as a channel layer showed insensibility to white-light irradiation compared with undoped ZnO TFTs. © 2013 IOP Publishing Ltd.
- KSP Keywords
- Channel layer, Doping ratio, Mg doping, Mg-doped ZnO, One-step synthesis, Sonochemical process, Thin-Film Transistor(TFT), Undoped ZnO, Wurtzite structure, X-ray diffraction pattern, Zinc Oxide(ZnO)