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| Ultima descărcare din IBN: 2023-05-24 15:08 |
 SM ISO690:2012RUDENKO, Maryia, GAPONENKO, Nikolai, CHUBENKO, Eugene, LASHKOVSKAYA, E., SHUSTSIKAVA, K., RADYUSH, Yu., ZHIVULKO, Vadim, MUDRYI, Alexander, WANG, Maolin, MONAICO, Eduard, STEPIKHOVA, Margarita, YABLONSKIY, Artem. Erbium upconversion luminescence from sol-gel derived multilayer porous inorganic perovskite film. In: Journal of Advanced Dielectrics, 2022, nr. 2(12), pp. 1-6. ISSN 2010-135X. DOI: https://doi.org/10.1142/S2010135X21500314 |
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 Journal of Advanced Dielectrics |
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| Numărul 2(12) / 2022 / ISSN 2010-135X /ISSNe 2010-1368 | |
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| DOI:https://doi.org/10.1142/S2010135X21500314 | |
| Pag. 1-6 | |
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| Rezumat | |
Erbium-doped barium titanate (BaTiO3:Er) xerogel film with a thickness of about 500 nm was formed on the porous strontium titanate (SrTiO3) xerogel film on Si substrate after annealing at 800°C or 900°C. The elaborated structures show room temperature upconversion luminescence under 980 nm excitation with the photoluminescence (PL) bands at 523, 546, 658, 800 and 830 nm corresponding to 2H11/2 → 4I15/2, 4S3/2 → 4I15/2, 4F9/2→ 4I15/2 and 4I9/2→ 4I15/2 transitions of trivalent erbium. Raman and X-ray diffraction (XRD) analysis of BaTiO3:Er\porous SrTiO3\Si structure showed the presence of perovskite phases. Its excellent up-conversion optical performance will greatly broaden its applications in perovskite solar cells and high-end anti-counterfeiting technologies. |
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| Cuvinte-cheie Erbium, Porous films, Ssol-gel, Upconversion, barium titanate |
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