An efficient and user-friendly method for the synthesis of hexagonal-phase NaYF 4 :Yb, Er/Tm nanocrystals with controllable shape and upconversion fluorescence

Li, Zhengquan; Zhang, Yong

doi:10.1088/0957-4484/19/34/345606

Public

An efficient and user-friendly method for the synthesis of hexagonal-phase NaYF 4 :Yb, Er/Tm nanocrystals with controllable shape and upconversion fluorescence

Published in Nanotechnology • Jul 16, 2008

Authors:

Zhengquan Li

Yong Zhang

Abstract

Hexagonal-phase NaYF(4):Yb, Er/Tm nanocrystals are the best IR-to-visible upconverting materials to date, but user-friendly methods for making pure hexagonal-phase NaYF(4):Yb, Er/Tm nanocrystals with upconversion fluorescence are still lacking. Most of the methods reported so far require excess fluo...

Subject

Photon upconversion

Materials science

Nanocrystal

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