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. 2020 Feb 3;10(6):2631–2644. doi: 10.7150/thno.40808

Figure 3.

Figure 3

Subclasses of RE nanoparticles. TEM images (left) and NIR fluorescent spectra of (A) Yb2O3 nanoparticles, adapted with permission from 91, Copyright 2012, American Chemical Society. (B) YF3 nanoparticles, adapted with permission from 94, Copyright 2007, American Chemical Society. (C) NaYF4 nanoparticles, adapted with permission from 101, Copyright 2017, Nature Springer and (D) Zn2.94Ga1.96Ge2O10 nanoparticles, adapted with permission from 102, Copyright 2014, American Chemical Society.