中文摘要：

硫酸化的二氧化锆（SZ）是一种高效的固体超强酸催化剂，可应用于烷烃异构化和裂解化、异链烷烃烷基化等反应，但其较低的比表面积大大地影响了其催化活性．近年来研究者致力于Sz／MxOy型负载固体纳米催化剂的研究，

英文摘要：

Sulfated zirconia/silica （SZ/SiO2 ） complex nanofibers were prepared by combining electronspinning technique and sol-gel method. First, a silica sol was electrospun at a voltage of 12 kV, then the as-electrospun silica nanofibers were immersed into a sulfated zirconia sol afterwards with a thermal treatment to obtain the SZ/SiO2 complex nanofibers. These fibers were examined by SEM, TEM, FHR, XRD and SPS. The results indicate that the SZ nanopaticles with the average diameter of about 8 nm were disspered on the surface of silica fibers which had an average diameter of about 170 nm. The complex nanofibers had an amorphous structure. The observation of the surface-related transitions at the SPS spectrum indicates the presence of positive charges on the surface of the complex fibers.