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Title

Efficient production of multi-Layer graphene from graphite flakes in water by lipase-graphene sheets conjugation

AuthorsLosada-Garcia, Noelia; Berenguer Murcia, A.; Cazorla Amorós, Diego; Palomo, José Miguel
KeywordsGraphene
Exfoliation
Lipase
Graphite
Biographene
Issue Date19-Sep-2019
PublisherMultidisciplinary Digital Publishing Institute
CitationNanomaterials 9(9): 1344 (2019)
AbstractBiographene was successfully produced in water from graphite flakes by a simple, rapid, and efficient methodology based on a bioexfoliation technology. The methodology consisted in the application of a lipase, with a unique mechanism of interaction with hydrophobic surfaces, combined with a previous mechanical sonication, to selectively generate lipase-graphene sheets conjugates in water at room temperature. The adsorption of the lipase on the graphene sheets permits to keep the sheets separated in comparison with other methods. It was possible to obtain more than 80% of graphene (in the form of multi-layer graphene) from low-cost graphite and with less damage compared to commercial graphene oxide (GO) or reduced GO. Experimental analysis demonstrated the formation of multi-layer graphene (MLG) mainly using lipase from Thermomyces Lanuginosus (TLL).
Description© 2019 by the authors.
Publisher version (URL)https://doi.org/10.3390/nano9091344
URIhttp://hdl.handle.net/10261/191374
DOI10.3390/nano9091344
ISSN2079-4991
E-ISSN2079-4991
Appears in Collections:(ICP) Artículos
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