Rare earth based nanomaterials with up conversion properties have attracted much attention because of their potential applications in device and solar energy conversion, as well as in new optical tags in biomedical research. Emission stability has been a concern in realizing these materials' application potential. Towards this goal, new core/shell/shell nanomaterials of NaYF4: Yb, Er/silica/polystyrene is synthesized and characterized.
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Marco et al. (2015) studied this question.
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