Spectroscopic analysis demonstrates ytterbium concentration modulates multiband transitions in single erbium-doped microcrystals, highlighting mechanisms for tuning upconversion luminescence.
In lanthanide-sensitized upconversion (UC) nanomaterials, the typical sensitizer Yb3+ can significantly modulate the codoped activator (such as Er3+ ions) to generate multiband transitions. However, the kinetics of these multiband emissions...
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Huang et al. (2022) studied this question.
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