Core-shell like glass containing lanthanide doped nanocrystals for efficient luminescence.
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abstract
We constructed a core-shell like nanoarchitecture in Yb/Er ion and Yb/Ho SrTiO3 nanocrystal-codoped tellurite-borate glass. We demonstrated that the adverse energy transfer between Er3+ ions in the glass region and Ho3+ ions in the crystal region was effectively prohibited, which permits independent and highly efficient emission from Er3+ and Ho3+ ions.