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中文摘要：
通过双层包裹-夹层去除法制备了具有核-壳中空结构的纳米二氧化钛（TiO2）粒子，采用TEM和EDXA对其进行表征，考察了这种中空结构对光催化活性的影响。通过在壳层上接入疏水基团使得中空粒子获得界面活性，检测了这种界面光催化剂在界面进行的蓝藻光催化分解反应。
英文摘要：
Novel hollow structure TiO2 nanoparticles（SiO2 @@TiO2）are prepared by double layer encapsulated and interlayer-removed method, which is characterized by TEM and EDXA. This specific uniform morphology of catalyst provides an effective surface area of TiO2 for the photocatalytic reaction and is proved as a very efficient photocatalyst for the degradation of organic compounds. By introducing the hydrophobic groups to the surface of SiO2 @ @ TiO2, the nanovoid-structure TiO2 nanoparticle obtains the phase-boundary photoactivity. The interface photocatalyst is proved as a very efficient photocatalyst for the degradation of blue-green algae.
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