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    Porous boron nitride nanosheets for effective water cleaning

    Year: 2013

    Journal: Nature Communications, 4, 1777, 20130926

    Authors: Weiwei Lei, David Portehault, Dan Liu, Si Qin, Ying Chen

    Organizations: Institute for Frontier Materials, Deakin University, Waurn Ponds, Victoria 3216, Australia. UPMC Univ Paris 06, UMR 7574, Chimie de la Matiere Condensee de Paris, Colle`ge de France, 11 place Marcelin Berthelot, 75231 Paris Cedex 05, France. 3 CNRS, UMR 7574, Chimie de la Matiere Condensee de Paris, Paris 75005, France. College de France, Chimie de la Matie`re Condensee de Paris, Paris 75005, France

    Effective removal of oils, organic solvents and dyes from water is of significant, globalimportance for environmental and water source protection. Advanced sorbent materials withexcellent sorption capacity need to be developed. Here we report porous boron nitridenanosheets with very high specific surface area that exhibit excellent sorption performancesfor a wide range of oils, solvents and dyes. The nanostructured material absorbs up to 33times its own weight in oils and organic solvents while repelling water. The saturated boronnitride nanosheets can be readily cleaned for reuse by burning or heating in air because oftheir strong resistance to oxidation. This easy recyclability further demonstrates the potentialof porous boron nitride nanosheets for water purification and treatment.