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Hansong Xue,Weina Zhang,Xinyu Li,Xiaochang You,Jinsong Rao,Fusheng Pan 대한금속·재료학회 2017 ELECTRONIC MATERIALS LETTERS Vol.13 No.3
Samarium oxide (Sm2O3) nanoparticles with a narrow sizedistribution were successfully synthesized by microwaveassistedusing urea as precipitant without surfactant ortemplate. The Sm2O3 particles were characterized using X-raydiffraction analysis, field-emission scanning electronmicroscopy, field-emission transmission electron microscopyand ultraviolet-visible-near-infrared spectrophotometer. Theresults showed that the samples prepared with differentconcentration of urea had different particle sizes. When theconcentration of urea was 1.2 mol/L, the sample had thesmallest particle size. A possible mechanism for the formationof the nanoparticles was proposed. Optical properties ofSm2O3 nanoparticles showed that the nanoparticles had astrong absorption property in the deep ultraviolet regionbetween 200 nm and 270 nm.