A Facile Approach to Fabrication of ZnO−TiO2 Hollow Spheres
作者： Mukesh Agrawal , Smrati Gupta , Andrij Pich , Nikolaos E. Zafeiropoulos , Manfred Stamm
DOI: 10.1021/CM9028098
关键词:
摘要: A facile approach for the fabrication of hierarchically nanostructured hollow spheres composed mixed metal oxides (ZnO−TiO2) has been demonstrated. The employed protocol involves coating functionalized polystyrene (PS) template beads with successive layers ZnO and TiO2 nanoparticles, respectively, followed by calcination resulting PS/ZnO−TiO2 core shell composite particles at elevated temperature. Scanning electron microscopy (SEM) transmission (TEM) have to evidence monodisperse, intact, closed ZnO−TiO2 spheres. Presence both phases in ceramic confirmed energy loss mapping analysis. Phase purity studied X-ray diffraction Brunauer−Emmett−Teller (BET) method reveals specific surface area average pore diameter as 59.63 m2/g 3 nm, respect...
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