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Present century is the era of nanotechnology with its exciting and
versatile field of applications towards mankind. In unison, over
the past decades, nanophosphors have been extensively investigated
due to its enormous application potential for various
high-performance novel displays devices, in non-linear optics and
also in fast optical switching. Consistently, discovery of many
rare earth materials played a prominent role to develop highly
efficient luminescence materials. Surprisingly enough, intentional
doping of these impurities (rare earth ions) in quantum confined
(nanomaterial) regime explicitly enhances the emission efficiency
of the phosphor materials. Thrust is still going on to find better
nanophosphors, having high brightness and colour purity with lower
excitation energy. Charge compensation by Li+ co-doping in the rare
earth doped phosphors is one of the attractive and convenient tools
to improve their brightness with high colour purity. So our sole
interest is to enhance the brightness of nanophosphors; we
contributed a little in this regard by co-doping Li+ in MgAl2O4:
Eu3+ nanophosphor.
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