Intrinsic single-band upconversion emission in colloidal Yb/Er(Tm):Na3Zr(Hf)F7 nanocrystals

Daqin Chen, Lei Lei, Rui Zhang, Anping Yang, Ju Xu, Yuansheng Wang
  • Chemical Communications, January 2012, Royal Society of Chemistry
  • DOI: 10.1039/c2cc35480b