Efficient visible range SrF2:Yb:Er- and SrF2:Yb:Tm-based up-conversion luminophoresстатья
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Дата последнего поиска статьи во внешних источниках: 18 апреля 2017 г.
Аннотация:We have synthesized highly efficient visible range irradiating Yb:Er- and Yb:Tm-doped SrF2-based up-conversion luminophores, prepared mechanical mixtures of those components, evaluated chromaticity coordinates of the aforementioned mixtures, and demonstrated the potential for smooth adjustment of the said coordinates by varying the corresponding mixture compositions. The chromaticity coordinates of 62.5 wt.% Sr0.9475Yb0.0500Er0.0025F2.0525 + 37.5 wt.% Sr0.8985Yb0.1000Tm0.0015F2.1015 mixture were the closest to the white light parameters; its energy yield was 4.14% (pumping power density 1 W/cm2).