Photoluminescence Study of ZnO Nanostructures Grown by Hydrothermal Method
| Authors | B.I. Turko1 , V.В. Kapustianyk1,2 , L.R. Toporovska1, V.P. Rudyk2, V.S. Tsybulskyi2, R.Y. Serkiz1 |
| Affiliations |
1Department of Physics, Ivan Franko National University of Lviv, 50, Drahomanov Str., 79005 Lviv, Ukraine 2Scientific-Technical and Educational Center of Low Temperature Studies, 50, Drahomanov Str., 79005 Lviv, Ukraine |
| Е-mail | tyrko_borys@ukr.net |
| Issue | Volume 10, Year 2018, Number 2 |
| Dates | Received 04 October 2017; published online 29 April 2018 |
| Citation | B.I. Turko, V.В. Kapustianyk, L.R. Toporovska, et al., J. Nano- Electron. Phys. 10 No 2, 02002 (2018) |
| DOI | https://doi.org/10.21272/jnep.10(2).02002 |
| PACS Number(s) | 78.55. – m, 78.55.Et |
| Keywords | Zinc oxide (10) , Photoluminescence (17) , Bound excitons, Hydrothermal method. |
| Annotation |
The photoluminescence spectra of ZnO nanorods grown by the hydrothermal method were investigated. In the nanostructures the neutral donor bound excitons dominate in the ultraviolet (UV) region of the photoluminescence spectrum at liquid helium temperature. The presence of the band two electron satellite transitions (TES) of the donor bound excitons allow to determine the donor binding energies ED of about 53 meV. On the basis of the measurements performed at different temperatures the thermal activation energy of the luminescence quenching (Ea ≈ 14 meV) was obtained. |
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List of References |
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