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- W1642907239 abstract "The luminescence of Pr3+ or Mn2+ singly doped, as well as Pr3+ and Mn2+ codoped, SrB4O7 powder microcrystalline samples were investigated using synchrotron radiation. The photon cascade emission originating from the S01 level was observed in the SrB4O7:Pr3+ (0.1mol%) sample upon 206nm excitation. There are desirable spectral overlaps in the region of 330–430nm between the emission spectra of the SrB4O7:Pr3+ sample and the excitation spectra of the SrB4O7:Mn2+ sample monitoring the Mn2+ luminescence at 640nm. These spectral overlaps are in favor of the energy transfer from Pr3+ to Mn2+, converting the first step photon from Pr3+:S01 in the unpractical ultraviolet or near-ultraviolet regions into the red Mn2+ emission. A comparison of the emission spectra of the SrB4O7:Pr3+, Mn2+ sample with that of the SrB4O7:Pr3+ sample revealed the existence and the efficiency of the proposed energy transfer between Pr3+ and Mn2+, suggesting an promising vacuum ultraviolet phosphor based on Pr3+ and Mn2+ combination with visible quantum efficiency greater than unit." @default.
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- W1642907239 date "2006-02-06" @default.
- W1642907239 modified "2023-09-22" @default.
- W1642907239 title "Energy transfer between Pr3+ and Mn2+ in SrB4O7:Pr,Mn" @default.
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- W1642907239 doi "https://doi.org/10.1063/1.2172731" @default.
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