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中文摘要：
采用微乳液法，利用独特的胺解工艺成功制备出尺寸均匀、直径几乎一致的、具备自组装特性的锐钛矿型TiO2纳米棒，其直径、长度分别为1．5nm和26—36nm。在以油酸作为溶剂的TiO2纳米棒的分散系中，通过偏光显微镜观测到较强的双折射马耳他十字消光现象（Maltese Cross），说明这些TiO2纳米棒形成了向列相型的排列，是一种新型无机溶致液晶材料，TEM测试表明，这些TiO2纳米棒形成了六种具有典型液晶相的超晶格自组装结构：丝状、近晶相、柱状、蜂窝状、多米诺骨牌状和板层相（向列相）。
英文摘要：
Well uniform anatase TiO2 nanorods with diameter about 1.5nm and length of 26-36nm were successfully prepared by microemulsion method at unique aminolysis route. As-prepared TiO： nanorods were dispersed in oleic acid during the synthesis process,and the Maltese Cross from OA-functionalized TiO2 nanorods was observed by a polarized optical microscope. This result demonstrates the OA-functionalized TiO2 nanorods form nematic array, which is a novel inorganic lytropic liquid crystals. The TEM images illustrate six kinds of liquid crystal ordered phases formed by OA- functionalized TiO2 nanorods, such as ribbon, smectic, columnar, honeycomb, domino and lamellar.
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