A metal-free composite photocatalyst of graphene quantum dots deposited on red phosphorus

Donald K.L.Chan Jimmy C.Yu Yecheng Li Zhuofeng Hu

【摘要】：A simple approach to enhance the photocatalytic activity of red phosphorus(P) was developed.A mechanical ball milling method was applied to reduce the size of red P and to deposit graphene quantum dots onto red P. The product was characterized by scanning electron microscopy, transmission electron microscopy, contact angle measurements, zeta-potential measurements, X-ray diffraction and UV–vis absorption spectroscopy. The product exhibited high visible-light-driven photocatalytic performance in the photodegradation of rhodamine B.

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