Phosphor, X-ray powder diffraction, photoluminescence, optical thermometry, molecular logic devices
Rare earth (RE3+), Thermally coupled levels, sensitivity, Upconversion, alkali metal ion
Photoluminescence, N-CQDs, Warm light, Correlated color temperature, Color purity, Förster Resonance energy transfer
Photoluminescence, Down-conversion luminescence, LEDs, CIE chromaticity color coordinates diagram, Fluorescence intensity ratio