Zhao Jin, Feng Wang, Feng Wang, Junxin Wang, Jimmy C. Yu and Jianfang Wang Metal Nanocrystal-Embedded Hollow Mesoporous TiO2 and ZrO2 Microspheres Prepared with Polystyrene Nanospheres as Carriers and Templates Advanced Functional Materials 23
Polystyrene nanospheres are employed simultaneously as the template for creating hollow interiors and as the carrier for bringing noble metal nanocrystals in mesoporous metal oxide microspheres. The preparation relies on aerosol spray-assisted assembly. The Pd nanocube-embedded hollow mesoporous ZrO2 microspheres exhibit much better catalytic performances than a commercial Pd/C catalyst.
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