SnO{sub 2} nanoparticles embedded in silica by ion implantation followed by thermal oxidation
Journal Article
·
· Journal of Applied Physics
- ENEA, Advanced Physical Technologies and New Materials, SS.7 Appia km 706, I-72100 Brindisi (Italy)
- Dipartimento di Fisica and CNISM, Universita di Padova, via Marzolo 8, I-35131 Padova (Italy)
Nanoparticles of tin dioxide embedded in silica matrix were synthesized by ion implanting a Sn{sup +} ion beam in a silica slide and by annealing in oxidizing atmosphere at 800 deg. C. A detailed structural and optical characterization was performed by using glancing incidence x-ray diffraction, transmission electron microscopy, optical absorption, and photoluminescence spectroscopies. Metallic tetragonal beta-tin crystalline nanoparticles were formed in the as-implanted sample. The annealing in oxidizing atmosphere promotes the total oxidation of the tin nanoparticles with a preferential migration of the nanoparticles toward the surface of the matrix. A broad blue-violet emission band peaked at 388 nm was observed in the photoluminescence spectra of both the as-implanted and annealed samples, which was attributed to the Sn-related oxygen deficiency center defects and the SnO{sub 2} nanoparticles, respectively.
- OSTI ID:
- 21361938
- Journal Information:
- Journal of Applied Physics, Journal Name: Journal of Applied Physics Journal Issue: 10 Vol. 106; ISSN JAPIAU; ISSN 0021-8979
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
77 NANOSCIENCE AND NANOTECHNOLOGY
ABSORPTION
ANNEALING
ATMOSPHERES
BEAMS
CHALCOGENIDES
CHEMICAL REACTIONS
COHERENT SCATTERING
DIFFRACTION
ELECTRON MICROSCOPY
ELEMENTS
EMISSION
HEAT TREATMENTS
ION BEAMS
ION IMPLANTATION
LUMINESCENCE
METALS
MICROSCOPY
MINERALS
NANOSTRUCTURES
NONMETALS
OXIDATION
OXIDE MINERALS
OXIDES
OXYGEN
OXYGEN COMPOUNDS
PARTICLES
PHOTOLUMINESCENCE
PHOTON EMISSION
SCATTERING
SILICA
SORPTION
SPECTROSCOPY
TIN
TIN COMPOUNDS
TIN OXIDES
TRANSMISSION ELECTRON MICROSCOPY
X-RAY DIFFRACTION
ABSORPTION
ANNEALING
ATMOSPHERES
BEAMS
CHALCOGENIDES
CHEMICAL REACTIONS
COHERENT SCATTERING
DIFFRACTION
ELECTRON MICROSCOPY
ELEMENTS
EMISSION
HEAT TREATMENTS
ION BEAMS
ION IMPLANTATION
LUMINESCENCE
METALS
MICROSCOPY
MINERALS
NANOSTRUCTURES
NONMETALS
OXIDATION
OXIDE MINERALS
OXIDES
OXYGEN
OXYGEN COMPOUNDS
PARTICLES
PHOTOLUMINESCENCE
PHOTON EMISSION
SCATTERING
SILICA
SORPTION
SPECTROSCOPY
TIN
TIN COMPOUNDS
TIN OXIDES
TRANSMISSION ELECTRON MICROSCOPY
X-RAY DIFFRACTION