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In this work we present an alternative new method for generation of warm to cool white light by Ag nanoclusters dispersed in oxyfloride glass. White light of high colour rendering properties comparable to that of commercial sources and quantum yield (QY) exceeding 20% at room temperature is generated upon 250–400nm UV excitation of microwatt power. The QY increases with increasing ratio of oxide to...
The effect of heat treatment on the structure and luminescence of Ag nanoclusters doped oxyfluoride glasses was studied and the implication for drawing the corresponding fibers doped with luminescent Ag nanoclusters has been proposed. The heat treatment results, first, in condensation of the Ag nanoclusters into larger Ag nanoparticles and loss of Ag luminescence, and further heat treatment results...
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