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Abstract
In this article, a salted sol-gel and a salted sol-gel combustion method were developed for nanophosphor synthesis. Massive nanophosphor production becomes possible by using these novel methods. Some blue, green, and red LED nanophosphors were prepared by using these novel methods. Morphology, growth mechanism, and luminescent properties of these phosphors were investigated. Concentration quenching effect is reduced in nanophosphors. Energy transfer process is limited by increase of the surface/volume ratio. These results show that nanophosphors have great potential to enhance efficiency of phosphors, but the thermal quenching effect is increased for nanophosphors that are prepared by wet chemical methods.