Zobrazeno 1 - 10
of 352
pro vyhledávání: '"MIROSLAV D. DRAMIĆANIN"'
Autor:
Jovana Periša, Sanja Kuzman, Aleksandar Ćirić, Zoran Ristić, Željka Antić, Miroslav D. Dramićanin, Bojana Milićević
Publikováno v:
Nanomaterials, Vol 14, Iss 20, p 1617 (2024)
Tunable blue/red dual-emitting Eu3+-doped, Bi3+-sensitized SrF2 phosphors were synthesized utilizing a solvothermal-microwave method. All phosphors have cubic structure (Fm-3m (225) space group) and well-distinct sphere-like particles with a size of
Externí odkaz:
https://doaj.org/article/ffef34382b3e4adfb4f0abef84f1823e
Autor:
Madalina Ivanovici, Aleksandar Ćirić, Jovana Periša, Milena Marinović Cincović, Mikhail G. Brik, Abdullah N. Alodhayb, Željka Antić, Miroslav D. Dramićanin
Publikováno v:
Nanomaterials, Vol 14, Iss 20, p 1639 (2024)
Detailed analysis covered the optical and structural properties of Eu3+-doped NaY9Si6O26 oxyapatite phosphors, which were obtained via hydrothermal synthesis. X-ray diffraction patterns of NaY9Si6O26:xEu3+ (x = 0, 1, 5, 7, 10 mol% Eu3+) samples prove
Externí odkaz:
https://doaj.org/article/047bcd48747d4d50ab294df0c1799b1e
Autor:
Anđela Rajčić, Zoran Ristić, Jovana Periša, Bojana Milićević, Saad Aldawood, Abdullah N. Alodhayb, Željka Antić, Miroslav D. Dramićanin
Publikováno v:
Technologies, Vol 12, Iss 8, p 131 (2024)
The method of measuring temperature using luminescence by analyzing the emission spectra of Pr3+-doped YF3 using principal component analysis is presented. The Pr3+-doped YF3 is synthesized using a solid-state technique, and its single-phase orthorho
Externí odkaz:
https://doaj.org/article/648bd8fee553475dae6c60b4b4c1a0b9
Autor:
Miroslav D. Dramićanin, Łukasz Marciniak, Sanja Kuzman, Wojciech Piotrowski, Zoran Ristić, Jovana Periša, Ivana Evans, Jelena Mitrić, Vesna Đorđević, Nebojša Romčević, Mikhail G. Brik, Chong-Geng Ma
Publikováno v:
Light: Science & Applications, Vol 11, Iss 1, Pp 1-13 (2022)
The Ca6Ba(PO4)4O:Mn5+ provides ultranarrow near-infrared emission at 1140 nm that can be excited over 500–1000 nm spectral range, which makes this material an excellent near-infrared phosphor and blue/turquoise pigment.
Externí odkaz:
https://doaj.org/article/41b8fac468194daeb187a5d6267e36d3
Publikováno v:
Nanomaterials, Vol 13, Iss 21, p 2904 (2023)
Luminescence thermometry has emerged as a very versatile optical technique for remote temperature measurements, exhibiting a wide range of applicability spanning from cryogenic temperatures to 2000 K. This technology has found extensive utilization a
Externí odkaz:
https://doaj.org/article/12a2d17c55bd43e4874dc0d4ceab110b
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-10 (2022)
Abstract Judd–Ofelt theory is a cornerstone of lanthanides’ spectroscopy given that it describes 4fn emissions and absorptions of lanthanide ions using only three intensity parameters. A self-referenced technique for computing Judd–Ofelt intens
Externí odkaz:
https://doaj.org/article/781c5b90c37f428a9697e943dea9251f
Publikováno v:
Nanomaterials, Vol 13, Iss 13, p 1910 (2023)
To develop novel luminescent materials for optical temperature measurement, a series of Yb3+- and Er3+-doped Ca3Sc2Si3O12 (CSS) upconversion (UC) phosphors were synthesized by the sol–gel combustion method. The crystal structure, phase purity, and
Externí odkaz:
https://doaj.org/article/694bc5ee41c84941b8443ef2ea576e9f
Autor:
Željka Antić, Aleksandar Ćirić, Milica Sekulić, Jovana Periša, Bojana Milićević, Abdullah N. Alodhayb, Tahani A. Alrebdi, Miroslav D. Dramićanin
Publikováno v:
Crystals, Vol 13, Iss 6, p 884 (2023)
The sensitivity of luminescent Boltzmann thermometers is restricted by the energy difference between the thermally coupled excitement levels of trivalent lanthanides, and their values further decrease with increases in temperature, rendering their us
Externí odkaz:
https://doaj.org/article/73abe3df02eb46269f960587bdb4affd
Publikováno v:
Sensors, Vol 23, Iss 8, p 3839 (2023)
Herein, we investigate the performance of single- and multiparametric luminescence thermometry founded on the temperature-dependent spectral features of Ca6BaP4O17:Mn5+ near-infrared emission. The material was prepared by a conventional steady-state
Externí odkaz:
https://doaj.org/article/b56d9272b06b45ffb19540374ab4051d
Autor:
Bojana Milićević, Jovana Periša, Zoran Ristić, Katarina Milenković, Željka Antić, Krisjanis Smits, Meldra Kemere, Kaspars Vitols, Anatolijs Sarakovskis, Miroslav D. Dramićanin
Publikováno v:
Nanomaterials, Vol 13, Iss 1, p 30 (2022)
We report the procedure for hydrothermal synthesis of ultrasmall Yb3+/Tm3+ co-doped Sr2LaF7 (SLF) upconversion phosphors. These phosphors were synthesized by varying the concentrations of Yb3+ (x = 10, 15, 20, and 25 mol%) and Tm3+ (y = 0.75, 1, 2, a
Externí odkaz:
https://doaj.org/article/92d02f81f74e432daf9fa9c84eb8e883