SnO2 nanoparticles embedded in silica by ion implantation followed by thermal oxidation
作者： M. A. Tagliente , V. Bello , G. Pellegrini , G. Mattei , P. Mazzoldi
DOI: 10.1063/1.3257157
关键词: Nanoparticle 、 Chemical engineering 、 Thermal oxidation 、 Analytical chemistry 、 Tin dioxide 、 Ion implantation 、 Ion beam 、 High-resolution transmission electron microscopy 、 Tin 、 Photoluminescence 、 Materials science
摘要: Nanoparticles of tin dioxide embedded in silica matrix were synthesized by ion implanting a Sn+ beam slide and annealing oxidizing atmosphere at 800 °C. A detailed structural optical characterization was performed using glancing incidence x-ray diffraction, transmission electron microscopy, absorption, photoluminescence spectroscopies. Metallic tetragonal β-tin crystalline nanoparticles formed the as-implanted sample. The promotes total oxidation with preferential migration toward surface matrix. broad blue-violet emission band peaked 388 nm observed spectra both annealed samples, which attributed to Sn-related oxygen deficiency center defects SnO2 nanoparticles, respectively.
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