Abstract:Upconversion nanocrystals (UCNCs) have a lot of advantages over other fluorescent materials. However, their applications are still limited due to the relatively low upconversion luminescence (UCL). In the present study, a novel core/shell structural upconversion nanocrystal NaYF₄:Gd, Yb, Er@NaYF₄:Yb, Pr was prepared successfully with a facilely solvothermal method and the properties of the nanocrystal were investigated. It was interesting to find that the as-prepared nano-crystal showed excellent UCL. Its UCL … Show more
Compared to glasses and single crystals, transparent ceramics present extraordinarily large resistance to thermal shocks. Here, dual-mode LIR/FL temperature detection with a wide temperature range is realized with BZMT:Pr3+transparent ceramic.
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