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This work presents the results of optical emission from Eu3+, Tb3+ and Nd3+ luminescence centers in TiO2 thin films. Thin films were prepared by magnetron sputtering from metallic Ti-Eu, Ti-Tb, Ti-Nd targets, respectively. Optical properties were examined by means of photoluminescence and optical transmission measurements. The total content of dopants was analyzed using an energy disperse spectrometer. It has been shown that doping of TiO2 thin films using selected lanthanides results in the visible (Eu, Tb) and near-infrared (Nd) light emission, upon ultraviolet radiation. Additionally, transparency range and optical band gap of prepared thin films were determined, in comparison to pure TiO2.
Słowa kluczowe
Czasopismo
Rocznik
Tom
Strony
433--438
Opis fizyczny
Bibliogr. 10 poz.
Twórcy
autor
autor
autor
autor
autor
autor
- Faculty of Microsystem Electronics and Photonics, Wrocław University of Technology, Janiszewskiego 11/17, 50-372 Wrocław, Poland
Bibliografia
- [1] QI J., MATSUMOTO T., TANAKA M., MASUMOTO Y., Europium silicate thin films on Si substrates fabricated by a radio frequency sputtering method, Journal of Physics D: Applied Physics 33(16), 2000, pp. 2074–8.
- [2] PROCIOW E.L., DOMARADZKI J., PODHORODECKI A., BORKOWSKA A., KACZMAREK D., MISIEWICZ J., Photoluminescence of Eu-doped TiO2 thin films prepared by low pressure hot target magnetron sputtering, Thin Solid Films 515, 2007, pp. 6344–6.
- [3] FRINDELL K.L., BARTL M.H., ROBINSON M.R., BAZAN G.C., POPITSCH A., STUCKY G.D., Visible and near-IR luminescence via energy transfer in rare earth doped mesoporous titania thin films with nanocrystalline walls, Journal of Solid State Chemistry 172(1), 2003, pp. 81–8.
- [4] CHANG C., MAO D., Long lasting phosphorescence of Sr4Al14O25:Eu2+, Dy3+ thin films by magnetron sputtering, Thin Solid Films 460(1–2), 2004, pp. 48–52.
- [5] MACDONALD A.C., HRYCIW A., LI Q., MELDRUM A., Luminescence of Nd-enriched silicon nanoparticles glasses, Optical Materials 28(6–7), 2006, pp. 820–4.
- [6] MOON B.K., JEONG J.H., YI S., KIM S.C., CHOI H., KIM J.H., Anomalous Tb3+ luminous spectrum in the TiO2 nanocrystals, Optical Materials 28(6–7), 2006, pp. 676–80.
- [7] LIU B., ZHAO X., ZHAO Q., HE X., FENG J., Effect of heat treatment on the UV-vis-NIR and PL spectra of TiO2 films, Journal of Electron Spectroscopy and Related Phenomena 148(3), 2005, pp. 158–63.
- [8] MELNYK V., SHYMANOVSKA V., PUCHKOVSKA G., BEZRODNA T., KLISHEVICH G., Low-temperature luminescence of different TiO2 modifications, Journal of Molecular Structure 744–747, 2005, pp. 573–6.
- [9] ZENG Q.G., DING Z.J., ZHANG Z.M., Synthesis, structure and optical properties of Eu3+/TiO2 nanocrystals at room temperature, Journal of Luminescence 118(2), 2006, pp. 301–7.
- [10] JIA CH., XIE E., PENG A., JIANG R., YE F., LIN H., XU T., Photoluminescence and energy transfer of terbium doped titania film, Thin Solid Films 496(2), 2006, pp. 555–9.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BPW6-0011-0012