Abstract
Novel hierarchical heterostructure of ZnO nanorod (NR) arrays grown on Ag3PO4 microcubes (MCs) was fabricated via a facile two-step aqueous strategy including ZnO seed loading and the subsequent crystal growth of ZnO NR arrays on Ag3PO4 MCs. As-prepared ZnO NR/Ag3PO4 MC heterostructure exhibited a superior photocatalytic activity than bare ZnO NRs and Ag3PO4 MCs toward degradation of RhodamineB (RhB) under visible light irradiation. The enhanced catalytic performance was ascribed to the unique ZnO NR/Ag3PO4 MC heterostructure which supplied abundant active sites for effective catalyzing and promoted the separation of photo-excited electron–hole pairs.
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