Abstract
In this chapter, detailed studies of the in situ generated nanometals in antimony oxide and bismuth oxide glasses are described. Gold (Au), silver (Ag), and gold-silver (Au-Ag) core-shell nanoparticle (NP) containing plasmonic antimony oxide glass nanocomposites (NCs) are synthesized by a single-step method. Their applications to obtain enhanced down- and upconversion photoluminescence of rare-earth (lanthanide) ions (e.g., Eu3+, Nd3+, Sm3+, and Er3+) have been demonstrated. The theoretical basis of glass-metal-NCs and the mechanism of nanometal-enhanced photoluminescence in glass-metal-lanthanide(III) hybrid NCs are also explained. Single-step in situ synthesis of bismuth and bismuth-coated silver NP in bismuth oxide glass NCs are presented with the mechanism of formation. Thermal effect on the surface plasmon resonance band and crystallization of the bismuth-coated silver NP containing bismuth glass NCs are enlightened. Their use in different nanophotonic applications is also delineated.
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