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YADAV, R.; MISHRA, P.; PANDEY, S.; BARANWAL, V.; KUMAR, M.; PANDEY, A.; HAVLICA, J.
Originální název
Photoluminescence characteristics and energy transfer between Eu-Mn of BaMgAl10O17:Eu2+/Eu3+, Mn2+ nanostructures
Anglický název
Druh
Článek recenzovaný mimo WoS a Scopus
Originální abstrakt
In order to study the energy transfer between co-dopant doped in BaMgAl10O17 nanostructures, BaMgAl10O17:Eu2+/Eu3+, Mn2+ nanorods were prepared by chemical method. The crystal structure, morphology and photoluminescence characteristic were demonstrated by X-ray diffractometer, scanning electron microscopy and photoluminescence spectrometer. The photoluminescence mechanisms were explained by the energy transfer of Eu to Mn ions. The photoluminescence emission of this phosphor nanostructure showed a blue band centered at ~ 450 nm caused by Eu2+ and a green band centered at ~ 520 nm originating from Mn2+; due to the energy transfer from Eu2+ to Mn2+. It is also observed that the increase in excitation energy enhances the energy diffusion between donors, which speed up the average transfer rate to Mn2+ acceptors. Furthermore, the Mn2+ luminescence was regulated with the conversion of Eu2+-Eu3+.
Anglický abstrakt
Klíčová slova
Nanostructures; Photoluminescence; Energy transfer
Klíčová slova v angličtině
Autoři
Rok RIV
2016
Vydáno
24.07.2014
Nakladatel
Cognizure Corporation
Místo
96, Therkku Radha Veedhi Thiruchengodu
ISSN
2454-7239
Periodikum
Science Letters Journal
Svazek
2014
Číslo
5
Stát
Indická republika
Strany od
8
Strany do
13
Strany počet
6
BibTex
@article{BUT109382, author="Raghvendra Singh {Yadav} and Priya {Mishra} and Shiv K. {Pandey} and Vikas {Baranwal} and Manvendra {Kumar} and Avinash C. {Pandey} and Jaromír {Havlica}", title="Photoluminescence characteristics and energy transfer between Eu-Mn of BaMgAl10O17:Eu2+/Eu3+, Mn2+ nanostructures", journal="Science Letters Journal", year="2014", volume="2014", number="5", pages="8--13", issn="2454-7239" }