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Statements

Subject Item
n2:RIV%2F68378271%3A_____%2F12%3A00379870%21RIV13-AV0-68378271
rdf:type
n14:Vysledek skos:Concept
dcterms:description
The optical absorption, temperature dependence of emission spectra, prompt nanosecond decays and milisecond delayed recombination decays for Pr3+ centre in Lu0.8Sc0.2BO3 host were studied. The photoluminescence decay time decreases from 16 ns (80 K) to 11 ns (300 K), but its steady-state emission intensity at 300 K is stronger than that at 80 K and towards higher temperatures is further decreasing comparatively much less with respect to the decay time shortening. This abnormal phenomenon was proved to be associated with the thermal ionization processes occurring from 5d1 relaxed state of Pr3+ by slow decay measurement. The quantitative parameters, activation energy and frequency factor, governing the ionization processes, were calculated by the single escape barrier kinetic model. The optical absorption, temperature dependence of emission spectra, prompt nanosecond decays and milisecond delayed recombination decays for Pr3+ centre in Lu0.8Sc0.2BO3 host were studied. The photoluminescence decay time decreases from 16 ns (80 K) to 11 ns (300 K), but its steady-state emission intensity at 300 K is stronger than that at 80 K and towards higher temperatures is further decreasing comparatively much less with respect to the decay time shortening. This abnormal phenomenon was proved to be associated with the thermal ionization processes occurring from 5d1 relaxed state of Pr3+ by slow decay measurement. The quantitative parameters, activation energy and frequency factor, governing the ionization processes, were calculated by the single escape barrier kinetic model.
dcterms:title
Luminescence and decay kinetic mechanism of Pr3+ centre in Lu0.8Sc0.2BO3 host Luminescence and decay kinetic mechanism of Pr3+ centre in Lu0.8Sc0.2BO3 host
skos:prefLabel
Luminescence and decay kinetic mechanism of Pr3+ centre in Lu0.8Sc0.2BO3 host Luminescence and decay kinetic mechanism of Pr3+ centre in Lu0.8Sc0.2BO3 host
skos:notation
RIV/68378271:_____/12:00379870!RIV13-AV0-68378271
n14:predkladatel
n17:ico%3A68378271
n3:aktivita
n6:Z n6:P
n3:aktivity
P(LH12185), Z(AV0Z10100521)
n3:cisloPeriodika
JUN
n3:dodaniDat
n7:2013
n3:domaciTvurceVysledku
n12:1021508 n12:1770187
n3:druhVysledku
n11:J
n3:duvernostUdaju
n18:S
n3:entitaPredkladatele
n15:predkladatel
n3:idSjednocenehoVysledku
147580
n3:idVysledku
RIV/68378271:_____/12:00379870
n3:jazykVysledku
n13:eng
n3:klicovaSlova
borate; luminescence; excited state ionization; Pr3+; decay kinetics
n3:klicoveSlovo
n9:Pr3%2B n9:luminescence n9:decay%20kinetics n9:borate n9:excited%20state%20ionization
n3:kodStatuVydavatele
NL - Nizozemsko
n3:kontrolniKodProRIV
[E15656A96A3D]
n3:nazevZdroje
Chemical Physics Letters
n3:obor
n19:BM
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
7
n3:projekt
n16:LH12185
n3:rokUplatneniVysledku
n7:2012
n3:svazekPeriodika
539-540
n3:tvurceVysledku
Yang, F. Nikl, Martin Wu, Y. Pan, S. Jarý, Vítězslav Ren, G. Ding, D.
n3:wos
000305802600008
n3:zamer
n20:AV0Z10100521
s:issn
0009-2614
s:numberOfPages
4
n4:doi
10.1016/j.cplett.2012.05.010