TY  - JOUR
AU  - Glais, Estelle
AU  - Đorđević, Vesna R.
AU  - Papan, Jelena
AU  - Viana, Bruno
AU  - Dramićanin, Miroslav
PY  - 2018
UR  - http://xlink.rsc.org/?DOI=C8RA02482K
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/7693
AB  - MgTiO3 nanoparticles doped with Mn4+, with homogeneous size ranging about 63.1 ± 9.8 nm, were synthesized by a molten salt assisted sol gel method. These nanoparticles have been investigated as optical thermal sensors. The luminescence of tetravalent manganese ion in octahedral environment within the perovskite host presents drastic variations with temperature. Three different thermometry approaches have been proposed and characterized. Two luminescence intensity ratios are studied. Firstly between the two R-lines of Mn4+ emission at low temperature (-250 °C and -90 °C) with a maximal sensitivity of 0.9% °C-1, but also secondly between 2E → 4A2 (R-line) and the 4T2 → 4A2 transitions. This allows studying the temperature variation within a larger temperature range (-200 °C to 50 °C) with a sensitivity between 0.6% °C-1 and 1.2% °C-1 over this range. The last proposed method is the study of the lifetime variation versus temperature. The effective lifetime value corresponds to a combination of transitions from two excited energy levels of the tetravalent manganese (2E and 4T2) in thermal equilibrium toward the fundamental 4A2 state. Since the more energetic transition (4T2 → 4A2) is spin-allowed, contrary to the 2E → 4A2 one, the lifetime drastically decreases with the increase in temperature leading to an impressive high sensitivity value of 4.1% °C-1 at 4 °C and an exceptional temperature resolution of 0.025 °C. According to their optical features, MgTiO3:Mn4+ nanoparticles are indeed suitable candidates for the luminescence temperature probes at the nanoscale over several temperature ranges.
T2  - RSC Advances
T1  - MgTiO 3:Mn 4+ a multi-reading temperature nanoprobe
VL  - 8
IS  - 33
SP  - 18341
EP  - 18346
DO  - 10.1039/C8RA02482K
ER  - 

@article{
author = "Glais, Estelle and Đorđević, Vesna R. and Papan, Jelena and Viana, Bruno and Dramićanin, Miroslav",
year = "2018",
abstract = "MgTiO3 nanoparticles doped with Mn4+, with homogeneous size ranging about 63.1 ± 9.8 nm, were synthesized by a molten salt assisted sol gel method. These nanoparticles have been investigated as optical thermal sensors. The luminescence of tetravalent manganese ion in octahedral environment within the perovskite host presents drastic variations with temperature. Three different thermometry approaches have been proposed and characterized. Two luminescence intensity ratios are studied. Firstly between the two R-lines of Mn4+ emission at low temperature (-250 °C and -90 °C) with a maximal sensitivity of 0.9% °C-1, but also secondly between 2E → 4A2 (R-line) and the 4T2 → 4A2 transitions. This allows studying the temperature variation within a larger temperature range (-200 °C to 50 °C) with a sensitivity between 0.6% °C-1 and 1.2% °C-1 over this range. The last proposed method is the study of the lifetime variation versus temperature. The effective lifetime value corresponds to a combination of transitions from two excited energy levels of the tetravalent manganese (2E and 4T2) in thermal equilibrium toward the fundamental 4A2 state. Since the more energetic transition (4T2 → 4A2) is spin-allowed, contrary to the 2E → 4A2 one, the lifetime drastically decreases with the increase in temperature leading to an impressive high sensitivity value of 4.1% °C-1 at 4 °C and an exceptional temperature resolution of 0.025 °C. According to their optical features, MgTiO3:Mn4+ nanoparticles are indeed suitable candidates for the luminescence temperature probes at the nanoscale over several temperature ranges.",
journal = "RSC Advances",
title = "MgTiO 3:Mn 4+ a multi-reading temperature nanoprobe",
volume = "8",
number = "33",
pages = "18341-18346",
doi = "10.1039/C8RA02482K"
}

Glais, E., Đorđević, V. R., Papan, J., Viana, B.,& Dramićanin, M.. (2018). MgTiO 3:Mn 4+ a multi-reading temperature nanoprobe. in RSC Advances, 8(33), 18341-18346.
https://doi.org/10.1039/C8RA02482K

Glais E, Đorđević VR, Papan J, Viana B, Dramićanin M. MgTiO 3:Mn 4+ a multi-reading temperature nanoprobe. in RSC Advances. 2018;8(33):18341-18346.
doi:10.1039/C8RA02482K .

Glais, Estelle, Đorđević, Vesna R., Papan, Jelena, Viana, Bruno, Dramićanin, Miroslav, "MgTiO 3:Mn 4+ a multi-reading temperature nanoprobe" in RSC Advances, 8, no. 33 (2018):18341-18346,
https://doi.org/10.1039/C8RA02482K . .