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  1. Photoinduced dynamics to photoluminescence in Ln3+ (Ln = Ce, Pr) doped β-NaYF4 nanocrystals computed in basis of non-collinear spin DFT with spin-orbit coupling
  2. A NIR-to-NIR upconversion luminescence system for security printing applications
  3. Full color printing with 'invisible' upconversion inks