Luminescence Enhancement in Eu(III)-Doped Tellurite Glass Embedded Silver Nanoparticles

Introduction of the metallic nanoparticles (nps) in the bulk glassreceived a large interest due to their versatile applications. the effectof silver nps on optical properties of the eu3+-doped zinc telluriteglasses is presented for the first time. glass samples are prepared bymelt-quenching technique. the surface plasmon absorption bands ofsilver nps are recorded in the visible region. the enhancements inthe order of 2.2-2.4 times are observed in the luminescence of theeu3+ ions by introduction of silver nps up to 1 mol% and areattributed to contribution of the nps with average size of about 8nm. in addition, energy transfer from surface of the metal to the rareearth ion is discussed as the second channel for the enhancement.this report highlights the excellent performance of tellurite glassesfor applications such as leds, color displays and nanophotonics.