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微乳液法制备纳米Al_2(WO4)_3 被引量：3

SYNTHESIS OF Al_ 2(WO_4)_ 3 NANOPARTICLES USING MICROEMULSION PROCESSING
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摘要 对微乳液法制备纳米Al2 (WO4 ) 3进行了研究 .分别以十六烷基三甲基溴化铵 (CTAB)和二 (2 乙基己基 )磺基琥珀酸钠 (AOT)为表面活性剂 ,在表面活性剂正辛烷盐水体系的W/O微乳液区成功地合成了纳米Al2 (WO4 ) 3.实验结果表明 ,以AOT为表面活性剂的微乳液体系制备的纳米Al2 (WO4 ) 3颗粒小 ,粒度分布均匀 ,其颗粒大小在 4 0nm左右且为球形 .同时还在CTAB/正丁醇正辛烷盐水体系的W/O微乳液区、O/W微乳液区和液晶区合成了Al2 (WO4 ) 3,并将产物进行了比较 .结果表明 ,在W /O微乳液区能够合成出粒度分布较均匀且粒径在 10 0nm以内的纳米Al2(WO4 ) 3. The synthesis of Al 2(WO 4) 3 nanoparticles are studied by using microemulsion processing. Al 2(WO 4) 3 nanoparticles are synthesized successfully in W/O microemulsions of surfactant-n-octane-brine system, in which the surfactant is CTAB or AOT. The results indicate that Al 2(WO 4) 3 nanoparticles in AOT system are smaller about 40 nm in size and more uniform than that of CTAB system. As a comparison, Al 2(WO 4) 3 is also prepared in O/W microemulsion and liquid crystal regions of CTAB/n-butanol-n-octane-brine systems, respectively. The particles smaller than 100 nm in size should be got in W/O microemulsion.
作者 罗静卿 赵新华 周固
机构地区 北京师范大学化学系 北京师范大学分析测试中心
出处 《北京师范大学学报（自然科学版）》 CAS CSCD 北大核心 2004年第5期655-659,共5页 Journal of Beijing Normal University(Natural Science)
基金 国家自然科学基金资助项目 (2 98710 0 6 ) 北京市无机化学重点学科资助项目
关键词 微乳液法 合成 Al2(WO4)3 纳米颗粒 microemulsion processing synthesis Al2(WO4) 3 nanoparticles
分类号 O611.4 [理学—无机化学] O647.2 [理学—物理化学]
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参考文献10

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共引文献27

同被引文献38

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引证文献3

二级引证文献16

北京师范大学学报（自然科学版）
2004年 第5期

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