Multicolor Emission Tuning and Red/Green Ratio Enhancement of Yb3+/Er3+ Codoped KGdF4 Upconversion Nanoparticles

<div>XRD patterns of KGdF4:18%Yb3+/2%Er3+, KGdF4:58%Yb3+/2%Er3+, KGdF4:98%Yb3+/2%Er3+ UCNPs, and standard JCPDS Card of cubic phase NaGdF4 and KYbF4.</div>

Journal of Nanomaterials

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Figure 1

Figure 1: Multicolor Emission Tuning and Red/Green Ratio Enhancement of Yb3+/Er3+ Codoped KGdF4 Upconversion Nanoparticles