Coating of Y2O3: Eu3+with polystyrene and its characterizations
โ Scribed by Hongtao Cui; Guangyan Hong
- Book ID
- 110327635
- Publisher
- Springer
- Year
- 2002
- Tongue
- English
- Weight
- 559 KB
- Volume
- 21
- Category
- Article
- ISSN
- 0261-8028
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This letter presents optical spectra of EL?+ in nanocrystalline Eu,O, and Eu3+: Y203. The nanocrystalline particles condense in the monoclinic crystal structure after CO,-laser vaporization of metal oxide ceramics. The spectra of 14 nm Eu,O, particles have the same sharp lines as do micrometer-size
Y 2 O 3 :Eu 3+ and ZnOรY 2 O 3 :Eu 3+ nanophosphor powders with different concentrations of Eu 3+ ions were synthesized by a sol-gel method and their luminescence properties were investigated. The red photoluminescence (PL) from Eu 3+ ions with the main emission peak at 612 nm was observed to increa