Abstract
Quantum-sized BiOCl in the cage-like pores of SBA-16 have been prepared by impregnation method. The average diameter of BiOCl obviously decreases to 6.1nm due to the confinement effect from the framework of SBA-16. Compared to the bulk BiOCl, the quantum-sized BiOCl in the cage-like pores of SBA-16 possesses a larger bandgap (3.35eV), and the quantum confinement effect simultaneously result in an elevated electron transport ability and enhanced redox ability of charge carriers. The as-prepared BiOCl@SBA-16 photocatalysts exhibit high activity toward degradation of methyl orange (MO) under simulated sunlight irradiation.
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