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Citation: GENG Shou-Hua, ZHU Wen-Qing, CHANG Peng-Mei, CHEN Ya-Shao. Preparation of Sm₂O₃ Nanoparticles in the Media of Reverse Microemulsions[J]. Acta Physico-Chimica Sinica, ;2008, 24(09): 1609-1614. doi: 10.3866/PKU.WHXB20080914 shu

Preparation of Sm₂O₃ Nanoparticles in the Media of Reverse Microemulsions

1.
Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Materials Science, Shaanxi Normal University, Xi’an 710062, China

Received Date: 25 January 2008
Available Online: 18 July 2008

Sm2O3 nanoparticles were prepared in W/O reverse microemulsion composed of cetyltrimethylammonium bromide (CTAB), n-butanol, n-octane, Sm(NO3)3 brine, and ammonia water. Based on the pseudo-ternary phase diagrams of the microemulsions at 25 ℃, a microemulsion region for preparation of Sm2O3 was determined, and the precursor products of Sm2O3 nanoparticles were synthesized in the microemulsion region. The influences of the reactant concentration and the reaction time on the size of the precursors were studied. The result derived from thermal analysis (TG-DSC) indicated that the proper calcination temperature was 900 ℃. The structures and morphologies of the nanoparticles were characterized by X-ray powder diffraction (XRD), transmission electron microscope (TEM), nanoparticle size analyzer (NSA), and fluorescence spectroscope (FS), respectively. The results showed that the Sm2O3 fluorescent nanoparticles with narrow distribution in size could be obtained by using this method.
- Reverse microemulsion; Precursor; Sm2O3 nanoparticles; Preparation
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沈阳化工大学材料科学与工程学院沈阳 110142

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Preparation of Sm2O3 Nanoparticles in the Media of Reverse Microemulsions

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通讯作者: 陈斌, bchen63@163.com

Preparation of Sm₂O₃ Nanoparticles in the Media of Reverse Microemulsions