The successful mechanical exfoliation of few layered black phosphorus (BP) from its bulk form in 2014 marks the beginning of post graphene age. Due to BP’s superior properties, it has been applied in electronics, photonics, medicine and other areas. However, its application in environmental sciences has not been fully explored. In this work, we showed that few-layered BP had 1) a great sorption ability to ionic compounds due to wrinkle-induced sorption mechanism; 2) a remarkable disinfection effect due to its photothermal properties; and 3) a high recovery efficiency for noble metal due to its reduction properties. These properties make BP a promising two-dimensional material for water treatment. The safety assessment and the challenges of BP application are also discussed.

Potential application of few layered black phosphorus in water treatment

2019 Spring National Meeting

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