Journal
ADVANCED FUNCTIONAL MATERIALS
Volume 28, Issue 43, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adfm.201805026
Keywords
combustion fabrication; ionic separation; membrane separation; nanoporous graphene
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Funding
- National Natural Science Foundation of China [21675164, 21822407, 21571088]
- CAS
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Porous graphene membranes hold great promise for high-selectivity separation. Moreover, their practical application is limited by the lack of a simple and efficient method for the synthesis of porous graphene. Here, a rapid and scalable method is developed for the synthesis of porous graphene via partial combustion of graphene oxide imperfectly covered by hydrotalcite. This method is not only less energy- and time-intensive than existing ones, but also allows precise control of pore size. Remarkably, the resulting membrane of porous graphene exhibits high selectivity for K+ and Na+ ( = 3.84) separation. Hence, this facile route for preparing membranes of porous graphene oxide might direct application membranes in environmental, energy, desalination, and biomedical fields.
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