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Facile and scalable one-step production of organically modified graphene oxide by a two-phase extraction

Title data

Feicht, Patrick ; Kunz, Daniel A. ; Lerf, Anton ; Breu, Josef:
Facile and scalable one-step production of organically modified graphene oxide by a two-phase extraction.
In: Carbon. Vol. 80 (December 2014) . - pp. 229-234.
ISSN 0008-6223
DOI: https://doi.org/10.1016/j.carbon.2014.08.061

Abstract in another language

The time-consuming purification of graphene oxide (GO) including reduction of the excessive ionic strength represents a serious bottleneck for its mass production. Moreover, for the application as a filler in polymer nanocomposites, the hydrophilic GO has to be organophilized by cation exchange, e.g. with alkylammonium. Here, we propose a facile one-step process that produces highly delaminated organically modified GO suspended in various organic solvents and which spares any additional purification steps. The organically modified GO is instead directly extracted from the oxidation mixture into diethyl ether with the help of 1-dodecylamine. The organically modified GO can then be transferred into a broad variety of organic solvents. Elemental analysis shows the extracted GO to be highly pure and atomic force microscopy images suggest that surprisingly, the material was even delaminated.

Further data

Item Type: Article in a journal
Refereed: Yes
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Anorganic Chemistry I > Chair Anorganic Chemistry I - Univ.-Prof. Dr. Josef Breu
Research Institutions > Collaborative Research Centers, Research Unit > SFB 840 Von partikulären Nanosystemen zur Mesotechnologie
Research Institutions > Collaborative Research Centers, Research Unit > SFB 840 Von partikulären Nanosystemen zur Mesotechnologie > SFB 840 - TP B 3
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Anorganic Chemistry I
Research Institutions
Research Institutions > Collaborative Research Centers, Research Unit
Result of work at the UBT: Yes
DDC Subjects: 500 Science > 540 Chemistry
Date Deposited: 26 Mar 2018 08:57
Last Modified: 26 Mar 2018 08:57
URI: https://eref.uni-bayreuth.de/id/eprint/12674