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Down-conversion luminescence of Ce-Yb ions in YF<inf>3</inf>

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dc.contributor.author Nizamutdinov A.
dc.contributor.author Kuznetsov S.
dc.contributor.author Konyushkin V.
dc.contributor.author Nakladov A.
dc.contributor.author Voronov V.
dc.contributor.author Madirov E.
dc.contributor.author Khadiev A.
dc.contributor.author Gorieva V.
dc.contributor.author Semashko V.
dc.date.accessioned 2020-01-21T20:38:56Z
dc.date.available 2020-01-21T20:38:56Z
dc.date.issued 2019
dc.identifier.issn 0925-3467
dc.identifier.uri https://dspace.kpfu.ru/xmlui/handle/net/157560
dc.description.abstract © 2019 Elsevier B.V. The single-phase Y1-x-yCexYbyF3 solid solution powders were prepared by melt crystallization technique. The 5d-4f interconfigurational luminescence of Ce3+ ions and 2F5/2-2F7/2 luminescence of Yb3+ ions in YF3 crystalline powder doped with Ce3+/Yb3+ ions pair upon 266 nm excitation were studied. The energy transfer from Ce3+ to Yb3+ after 266 nm excitation has complex character and deals with the UV excitation induced dynamic processes and color centers formation in YF3:Ce3+ powders. It was shown that UV light irradiation leads to in absorbing in 525–650 nm spectral range which is not observed for Ce3+-Yb3+ containing samples. This speaks for additional channels of Ce3+ and Yb3+ excitation as a result of recombination of free charge carriers originated from excited state absorption by Ce3+ ions and trapped by Yb3+ ions. The efficiency of energy transfer from Ce3+ to Yb3+ was 22,6% for YF3:Ce(0.05 mol. %):Yb(10.0 mol.%) solid solution with 0,91% down-conversion luminescence external quantum yield.
dc.relation.ispartofseries Optical Materials
dc.title Down-conversion luminescence of Ce-Yb ions in YF<inf>3</inf>
dc.type Article
dc.relation.ispartofseries-volume 95
dc.collection Публикации сотрудников КФУ
dc.source.id SCOPUS09253467-2019-95-SID85069636795


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  • Публикации сотрудников КФУ Scopus [24551]
    Коллекция содержит публикации сотрудников Казанского федерального (до 2010 года Казанского государственного) университета, проиндексированные в БД Scopus, начиная с 1970г.

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