Abstract
Graphitic carbon nitride (g-C3N4) is a promising photocatalyst for photocatalytic field, but how to construct an efficient g-C3N4 nanosheet-based heterostructure is still a challenge by one-step method. In this study, we prepared WO3-x/2D g-C3N4 heterostructure by one-step calcination approach, which simultaneously produced g-C3N4 nanosheet, heterostructure and oxygen vacancy. The photoactivity of WO3-x/2D g-C3N4 heterostructure was tested by removing Rhodamine B (RhB), tetracycline (TC) and S. aureus under LED light illumination. The enhanced photoactivity is attributed to the promoted transfer of charge carriers, the broadened light absorption and the increased surface area of composite, which arose from heterostructure, oxygen vacancy and g-C3N4 nanosheet, respectively. This study offers insights into one-step preparation for new photocatalysts in environmental field.
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