Ultrasmall monodisperse NaYF(4):Yb(3+)/Tm(3+) nanocrystals with enhanced near-infrared to near-infrared upconversion photoluminescence.
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Guanying Chen | Tymish Y. Ohulchanskyy | Rajiv Kumar | H. Ågren | R. Kumar | Guanying Chen | Hans Agren | Tymish Y Ohulchanskyy | P. Prasad | Prasas N Prasad
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