Abstract
Highly uniform Ag3PO4 microspheres with novel 3D flower-like morphology were fabricated through a facile aqueous solution route in the presence of polyethylene glycol (PEG). The formation of flower-like architecture can be attributed to the presence of PEG, which provides nucleation sites for the growth of nanosheets due to strong interactions between activated oxygen in PEG and Ag+ ions. The prepared 3D flower-like Ag3PO4 exhibits highly efficient photocatalytic activity for the photodegradation of methylene blue (MB) under visible light irradiation. The average photocatalytic rate of flower-like Ag3PO4 is more than 2 and 30 times of that of pure Ag3PO4 and commercial TiO2 (Degussa P25), respectively. The possible mechanism for the excellent performance of flower-like Ag3PO4 microstructures is proposed.
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