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Hot-Injection Synthesis of Manganese-Ion-Doped NaYF4:Yb,Er Nanocrystals with Red Up-Converting Emission and Tunable Diameter

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E-mail: hao_zhang@jlu.edu.cn

Abstract

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The hot-injection synthesis of manganese ion (Mn2+)-doped NaYF4:Yb,Er nanocrystals (NCs) with red up-converting emission and the diameter tunable from 8 to 15 nm is demonstrated. The Mn2+ dosage, growth temperature, and heating rate determine the doping modes, including surface doping and interior doping. Surface doping produces small NCs and interior doping contributes to the red emission.

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