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Intense upconversion red emission from Gd-doped NaErF₄:Tm-based core/shell/shell nanocrystals under 980 and 800 nm near infrared light excitations
- Choi, Jung Eun, Kim, Donghwan, Jang, Ho Seong
- Chemical communications 2019 v.55 no.16 pp. 2261-2264
- chemical reactions, gadolinium, nanocrystals, red light
- Bright and single band red-emitting NaErF₄:Tm,Gd-based upconversion nanophosphors (UCNPs) were successfully synthesized by the formation of a core/intermediate shell/active shell structure. The NaErF₄:Tm,Gd/NaYF₄:Ca,Yb/NaYF₄:Nd,Yb core/shell/shell UCNPs exhibit intense red light under both 980 and 800 nm near infrared light excitations.