1. Erbium upconversion luminescence from sol-gel derived multilayer porous inorganic perovskite film
- Author
-
M. V. Rudenko, N. V. Gaponenko, E. B. Chubenko, E. I. Lashkovskaya, K. V. Shustsikava, Yu. V. Radyush, V. D. Zhivulko, A. V. Mudryi, M. Wang, E. V. Monaico, M. V. Stepikhova, and A. N. Yablonskiy
- Subjects
Upconversion ,barium titanate ,erbium ,sol–gel ,porous films ,Electricity ,QC501-721 - Abstract
Erbium-doped barium titanate (BaTiO3:Er) xerogel film with a thickness of about 500 nm was formed on the porous strontium titanate ([Formula: see text] xerogel film on Si substrate after annealing at 800[Formula: see text]C or 900[Formula: see text]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 2[Formula: see text]4[Formula: see text], 4[Formula: see text][Formula: see text], 4[Formula: see text][Formula: see text] and 4[Formula: see text]4[Formula: see text] 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.
- Published
- 2022
- Full Text
- View/download PDF