TITLE

Colorless transparent fluorescence material: Sintered porous glass containing rare-earth and transition-metal ions

AUTHOR(S)
Danping Chen; Miyoshi, Hiroshi; Akai, Tomoko; Yazawa, Tetsuo
PUB. DATE
June 2005
SOURCE
Applied Physics Letters;6/6/2005, Vol. 86 Issue 23, p231908
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Transparent fluorescence oxide glass with high emission yields has been prepared. Porous glass was impregnated with rare-earth and transition-metal ions and consequently sintered at 1100 °C into a compact nonporous glass. Reduction sintering is indispensable for obtaining fluorescence glass with high emission yield. Sintering of glass impregnated with Eu ions in a reducing atmosphere enhances the emission intensity by about 15 times than that sintered in air. The Eu2+ and Ce3+ ions and Sn2+ and Cu+ ions incorporated in SiO2 glass obtained by reduction sintering exhibit intense fluorescence in the near-ultraviolet and visible ranges, their emission yields are 97%, 70%, 100%, and 90%, respectively.
ACCESSION #
17328453

 

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