Y{sub 2}O{sub 3}:Eu{sup 3+} (5 mol%) with Ag nanoparticles prepared by citrate precursor

Journal Article · Wed Sep 15 00:00:00 EDT 2010 · Journal of Solid State Chemistry

DOI:https://doi.org/10.1016/j.jssc.2010.07.010· OSTI ID:21432476

Cebim, M A ^[1]; Pires, A M ^[2]; Couto dos Santos, M A ^[3]; Davolos, M R ^[1]

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1. Instituto de Quimica, UNESP Univ. Estadual Paulista, 14800-970, Araraquara-Saeo Paulo (Brazil)
2. Depto. de Fisica, Quimica e Biologia, Faculdade de Ciencias e Tecnologia, UNESP Univ Estadual Paulista, P.O. Box 467, 19060-900, Presidente Prudente, Saeo Paulo (Brazil)
3. Departamento de Fisica/UFS, 49100-000 Sao Cristovao/SE/Brazil (Brazil)

Y{sub 2}O{sub 3}:Eu{sup 3+} (5 mol% Eu{sup 3+}) and Y{sub 2}O{sub 3}:Eu{sup 3+} (5 mol% Eu{sup 3+}) containing 1 mol% of Ag nanoparticles were prepared by heat treatment of a viscous resin obtained via citrate precursor. TEM and EDS analyses showed that Y{sub 2}O{sub 3}:Eu{sup 3+} (5 mol% Eu{sup 3+}) is formed by nanoparticles with an average size of 12 nm, which increases to 30 nm when Ag is present because the effect of metal induced crystallization occurs. Ag nanoparticles with a size of 9 nm dispersed in Y{sub 2}O{sub 3}:Eu{sup 3+} (5 mol% Eu{sup 3+}) were obtained and the surface plasmon effect on Ag nanoparticles was observed. The emission around 612 nm assigned to the Eu{sup 3+} ({sup 5}D{sub 0{yields}}{sup 7}F{sub 2}) transition enhanced when the Ag nanoparticles were present in the Y{sub 2}O{sub 3}:Eu{sup 3+} luminescent material. - Graphical abstract: The presence of Ag nanoparticles together Y{sub 2}O{sub 3}:Eu{sup 3+} 5 mol% phosphor showed to affect directly the optical and crystallinity of the material. Luminescence spectra show directly the effect observed.

• OSTI ID: 21432476
• Journal Information: Journal of Solid State Chemistry, Vol. 183, Issue 9; Other Information: DOI: 10.1016/j.jssc.2010.07.010; PII: S0022-4596(10)00292-6; Copyright (c) 2010 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved.; ISSN 0022-4596
• Country of Publication: United States
• Language: English

Related Subjects

77 NANOSCIENCE AND NANOTECHNOLOGY
CITRATES
CRYSTALLIZATION
EUROPIUM IONS
HEAT TREATMENTS
LUMINESCENCE
NANOSTRUCTURES
RESINS
SILVER
SPECTRA
SPECTROSCOPY
TRANSMISSION ELECTRON MICROSCOPY
YTTRIUM OXIDES
CARBOXYLIC ACID SALTS
CHALCOGENIDES
CHARGED PARTICLES
ELECTRON MICROSCOPY
ELEMENTS
EMISSION
IONS
METALS
MICROSCOPY
ORGANIC COMPOUNDS
ORGANIC POLYMERS
OXIDES
OXYGEN COMPOUNDS
PETROCHEMICALS
PETROLEUM PRODUCTS
PHASE TRANSFORMATIONS
PHOTON EMISSION
POLYMERS
TRANSITION ELEMENT COMPOUNDS
TRANSITION ELEMENTS
YTTRIUM COMPOUNDS