Lattice distortion induced enhanced up-conversion luminescence from Er 3+ , Yb 3+ codoped MgAl 2 O 4 nanocrystals through Cr 3+ incorporation

Key Points

• The aim is to explore the effects of lattice distortion on luminescence in rare earth codoped nanocrystals.
• Investigated Er3+ and Yb3+ codoped MgAl2O4 nanocrystals.
• Incorporated Cr3+ to analyze its impact on luminescence.
• Measured emission intensity for red and green light.
• Observed significant enhancement in emission intensity.
• Confirmed contribution of Cr3+ incorporation to luminescence.
• Demonstrated effective up-conversion luminescence in the nanocrystals.