由ＴｉＯＣｌ２均相溶液采用低温（室温～６０℃）陈化直接制备了纳米氧化钛针形聚集体颗粒．研究了搅拌和陈化温度对产物形貌及尺寸的影响．结果表明，在搅拌的条件下，产物的形貌为准球形；陈化温度（室温～６０℃）对产物形貌无影响．利用透射电镜（ＴＥＭ）和Ｘ射线衍射（ＸＲＤ）对产物进行了表征，结果表明，产物形貌为针形聚集体，晶型为金红石型．
Nanometer titania needle-shaped agglomeration was directly prepared by aging TiOCl2 aqueous solution from room temperature to 60°C. The effect of reaction temperature and stirring on TiO2 crystalline size and morphology were discussed. The results show the morphology of product is pseudo-sphere in the stirring condition. The aging temperatures have no effect on the morphology of product. The TiO2 particles were characterized by TEM and XRD. The result shows the product is nanometer titania needle-shaped agglomeration with rutile structure.
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