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Graphene based materials and their potential applications

Abstract : Scientific purpose of this doctoral dissertation is synthesis of functionalized two-dimensional materials (graphene and graphene oxide) and their comprehensive physicochemical characterization, with particular emphasis on adsorption and energy storage properties. We could demonstrate that covalent modification of graphene oxide (GO) with an organic polymer (BPEI) very favorably affects the efficiency of the adsorption process. The maximum adsorption capacity (qmax) values for heavy metal ions significantly favour this material in comparison to the majority of known carbon adsorbents. Moreover, functionalization of GO with mesoporous aminosilica (SiO2NH2) leads to obtaining an efficient and rapid adsorbent of organic cationic dyes (MB, RhB, MV). ln addition we proved that the functionalization of graphene (EEG) using the POM-surfactant su bu nits proved that this type of organic-inorganic hybrids material is very stable and have interesting electrical properties with potential application in the production of supercapacitors.
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Submitted on : Wednesday, April 7, 2021 - 4:50:09 PM
Last modification on : Thursday, April 15, 2021 - 5:18:41 PM


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Dawid Pakulski. Graphene based materials and their potential applications. Chemical Physics [physics.chem-ph]. Université de Strasbourg; Uniwersytet imienia Adama Mickiewicza (Poznań, Pologne), 2019. English. ⟨NNT : 2019STRAF060⟩. ⟨tel-03192036⟩



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