کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
612668 | 880703 | 2007 | 7 صفحه PDF | دانلود رایگان |
![عکس صفحه اول مقاله: Preparation and structural evolution of SiO2–TiO2 pillared layered manganese oxide nanocomposite upon intercalating reaction Preparation and structural evolution of SiO2–TiO2 pillared layered manganese oxide nanocomposite upon intercalating reaction](/preview/png/612668.png)
SiO2–TiO2 pillared layered manganese oxide nanohybrid was successfully synthesized by preliminarily expanding the interlayer of H-type layered manganese oxide using dodecylamine, followed by reacting it with a mixture solution of titanium isopropoxide and tetraethylorthosilicate. The basal spacing and the pillared agent content of the obtained materials connected with the length of intercalated n-alkylamine, incorporated Si/Ti molar ratios and the solvothermal treatment temperature. The structural evolution of SiO2–TiO2 pillared layered manganese oxide nanohybrid was characterized by XRD, DSC-TGA, SEM, IR, N2 adsorption–desorption and element analyses. TiO2 particles exhibited a stronger affinity for the negatively charged manganese layers, and the TiO2 particles incorporated were independently intercalated without any distinct chemical bonding with the co-intercalated SiO2 particles. SiO2–TiO2 pillared layered manganese oxide nanohybrid had a BET surface area of 98 m2/g with a gallery height of about 1.43 nm between layers. The obtained SiO2–TiO2 co-pillared layered manganese oxide nanohybrid is expected as a selective catalyst, or an improved battery material.
Figure optionsDownload as PowerPoint slide
Journal: Journal of Colloid and Interface Science - Volume 307, Issue 2, 15 March 2007, Pages 524–530