Porous boron nitride nanosheets for effective water cleaning

Effective removal of oils, organic solvents and dyes from water is of significant, global importance for environmental and water source protection. Advanced sorbent materials with excellent sorption capacity need to be developed. Here we report porous boron nitride nanosheets with very high specific...

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Bibliographic Details
Published in:Nature communications 2013-04, Vol.4 (1), p.1777-1777, Article 1777
Main Authors: Lei, Weiwei, Portehault, David, Liu, Dan, Qin, Si, Chen, Ying
Format: Article
Language:English
Subjects:
639/301/299/1013
639/301/357
639/638/224
Chemical Sciences
Humanities and Social Sciences
Material chemistry
multidisciplinary
Science
Science (multidisciplinary)
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Summary:Effective removal of oils, organic solvents and dyes from water is of significant, global importance for environmental and water source protection. Advanced sorbent materials with excellent sorption capacity need to be developed. Here we report porous boron nitride nanosheets with very high specific surface area that exhibit excellent sorption performances for a wide range of oils, solvents and dyes. The nanostructured material absorbs up to 33 times its own weight in oils and organic solvents while repelling water. The saturated boron nitride nanosheets can be readily cleaned for reuse by burning or heating in air because of their strong resistance to oxidation. This easy recyclability further demonstrates the potential of porous boron nitride nanosheets for water purification and treatment. The development of materials for the effective removal of oils and solvents from water is of global importance. Here, the authors show that porous, hexagonal boron nitride nanosheets are capable of absorbing many times their own weight in oil while repelling water, and may be cleaned for reuse by heating or burning in air.
ISSN:2041-1723
2041-1723
DOI:10.1038/ncomms2818