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      Enhancing Hematite Photoanode Activity for Water Oxidation by Incorporation of Reduced Graphene Oxide

      1 , 2 , 1

      ChemPhysChem

      Wiley

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          Preparation of Graphitic Oxide

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            Graphene and Graphene Oxide: Synthesis, Properties, and Applications

            There is intense interest in graphene in fields such as physics, chemistry, and materials science, among others. Interest in graphene's exceptional physical properties, chemical tunability, and potential for applications has generated thousands of publications and an accelerating pace of research, making review of such research timely. Here is an overview of the synthesis, properties, and applications of graphene and related materials (primarily, graphite oxide and its colloidal suspensions and materials made from them), from a materials science perspective.
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              Graphene oxide, highly reduced graphene oxide, and graphene: versatile building blocks for carbon-based materials.

              Isolated graphene, a nanometer-thick two-dimensional analog of fullerenes and carbon nanotubes, has recently sparked great excitement in the scientific community given its excellent mechanical and electronic properties. Particularly attractive is the availability of bulk quantities of graphene as both colloidal dispersions and powders, which enables the facile fabrication of many carbon-based materials. The fact that such large amounts of graphene are most easily produced via the reduction of graphene oxide--oxygenated graphene sheets covered with epoxy, hydroxyl, and carboxyl groups--offers tremendous opportunities for access to functionalized graphene-based materials. Both graphene oxide and graphene can be processed into a wide variety of novel materials with distinctly different morphological features, where the carbonaceous nanosheets can serve as either the sole component, as in papers and thin films, or as fillers in polymer and/or inorganic nanocomposites. This Review summarizes techniques for preparing such advanced materials via stable graphene oxide, highly reduced graphene oxide, and graphene dispersions in aqueous and organic media. The excellent mechanical and electronic properties of the resulting materials are highlighted with a forward outlook on their applications.
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                Author and article information

                Journal
                ChemPhysChem
                ChemPhysChem
                Wiley
                14394235
                January 2016
                January 2016
                November 27 2015
                : 17
                : 1
                : 170-177
                Affiliations
                [1 ]Laboratório de Nanotecnologia e Energia Solar (LNES); Chemistry Institute; Universidade Estadual de Campinas; Campinas Brazil
                [2 ]Centro de Ciências Naturais e Humanas (CCNH); Universidade Federal do ABC; R.Santa Adélia, 166 Santo André Brazil
                Article
                10.1002/cphc.201500659
                © 2015

                http://doi.wiley.com/10.1002/tdm_license_1.1

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