| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 7852612 | Carbon | 2014 | 29 Pages |
Abstract
Graphene oxide-tripolyphosphate material (GPM) was synthesized through an ethanolamine (EA) mediated graphene oxide (GO) self-assembly. The synthesis route to GPM is simple and benign. GPM was composed of GO nanosheets as building blocks and the tripolyphosphate as cross-linkers and chelators of cations in solutions. GPM showed higher potency for adsorption of cationic dyes than anionic dyes, and the adsorption process was through electrostatic and Ï-Ï interactions. Adsorption was spontaneous and exothermic, and the adsorption capacity of GPM for cationic dyes (>2540 mg gâ1) far exceeded those reported in literature for GO materials.
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Authors
Paul N. Diagboya, Bamidele I. Olu-Owolabi, Ding Zhou, Bao-Hang Han,