Research Article
Super Broadband-Sensitive Upconversion in Tm and Ni Codoped Perovskites
Figure 6
(a) UC emission and (b) absorption spectra of the CaTi0.9O3:10 mol% Tm codoped with different Ni2+ ion concentrations. The inset in (a) shows the variation of the integrated UC emission intensities with Ni2+ ion concentration.
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