| 离子液体对TiO_2气凝胶结构的影响 |
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| 引用本文： | 吴绪洋,于春玲,邵国林,王宁宁.离子液体对TiO_2气凝胶结构的影响[J].大连工业大学学报,2014(1). |
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| 作者姓名： | 吴绪洋 于春玲 邵国林 王宁宁 |
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| 作者单位： | 大连工业大学轻工与化学工程学院; |
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| 基金项目： | 国家自然科学基金资助项目(21243005);辽宁省自然科学基金资助项目(201102111) |
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| 摘 要： | 以钛酸丁酯(TBT)为钛源,离子液体1-正己基-3-甲基咪唑溴盐(Hmim]Br)为模板剂和老化液,采用溶胶-凝胶法在低温常压下制备了锐钛矿相TiO2气凝胶。通过XRD、FT-IR、BET等方法对样品进行表征。结果表明,以2.5mol/L的Hmim]Br作为老化液所制备的样品具有最佳的性能参数,其块体尺寸、比表面积、平均孔径和孔体积分别为14mm、208.1m2/g、28.13nm及0.293cm3/g。
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| 关 键 词： | TiO2气凝胶 离子液体 低温 常压 |
Effect of ionic liquid on structure of TiO_2 aerogels |
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| Abstract: | The titanium dioxide aerogels were successfully prepared with tetrabutyl titanate as Ti resource and 1-hexyl-3-methylimidazolium Bromide(Hmim]Br)as a template and aging solution by sol-gel method in low temperature and normal pressures.The aerogel samples were characterized by XRD,FT-IR and BET.The results showed that the prepared sample with 2.5 mol/L Hmim]Br showed the best performance,in which the size,specific surface area,average pore diameter and pore volume were 14mm,208.1m2/g,28.13nm and 0.293cm3/g respectively. |
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| Keywords: | TiO2 aerogels ionic liquids low temperature normal pressure |
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