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中文摘要：
采用静电纺丝技术，以钛酸丁酯[Ti（OC4H9）4]、聚乙烯吡咯烷酮和无水乙醇为原料，制备了TiO2空心纳米纤维。用热重一差热分析、X射线衍射、扫描电镜等分析手段对制得的空心纳米纤维进行了表征。结果表明：所得产物为锐钛矿和金红石混晶型TiO2空心纳米纤维，平均外径为900nm，管壁平均厚度为100nm，长度〉200um。对TiO2空心纳米纤维的形成机理进行了讨论。
英文摘要：
ZiO2 hollow nanofibers have been successfully synthesized by an electrospinning technique, using Zi（OC4n9）4, polyvinyl pyrrolidone and absolute ethanol as the starting materials. The fiber structures were characterized by thermogravimetry-differential thermal analysis, X-ray diffraction and scanning electron microscopy. The results indicated that the products are a mixed crystal phase including anatase and rutile TiO2 hollow nanofibers with an average outer diameter of 900 nm, wall thickness of 100 nm, and lengths greater than 200 nm. The formation mechanism of TiO2 hollow nanofibers is also discussed.
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