Abstract
Red phosphorus (RP) was limited in photocatalytic activity due to the rapid recombination of photogenerated carriers. In this study, bismuth tungstate/hydrothermally treated Red phosphorus (Bi2WO6/HRP) heterojunction photocatalyst was prepare. The 1 %Bi2WO6/HRP composite exhibited strong photocatalytic performance, and the photodegradation rate of RhB after 12 min was as high as 98.9 %, which was much higher than that of HRP (53.0 %). Further characterization findings that the between HRP and Bi2WO6 formed heterojunction structure, which provided a pathway for the rapid transported of photogenerated carriers, allowing the effective separation of photogenerated electron-hole pairs, thus improved its photocatalytic activity.
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