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21 August 2020 2D supramolecular self-assembly strategies for functional graphene-based surfaces for (nano)photonics
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Here, we present two examples of strategies we have recently developed to elaborate ‘graphen-dye’ emitting platforms. In the first example, graphene and an emitting 3D building block are combined to obtain a light emitting graphene-based hybrid 2D system. We report the first fluorescent molecular self-assembly on graphene. The quenching of the fluorescence of the adsorbed dye by the adjacent graphene is hindered at the molecular scale based on a spacer approach, through a specifically designed dual-functionalized self-assembling building block. The resulting optical properties of the whole graphene−dye hybrid system are characterized by absorption and fluorescence spectroscopies. The second example deals with surface-confined host–guest chemistry in order to trap a functional 3D building block (3D Zn-Phthalocyanine complex) into a large 2D nanoporous template. Results on graphene with a 3D functional complex incorporating an emitter will be presented.
Conference Presentation
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André-Jean Attias, Byeonggwan Kim, Cheolhyun Cho, and Eunkyoung Kim "2D supramolecular self-assembly strategies for functional graphene-based surfaces for (nano)photonics", Proc. SPIE 11467, Nanoengineering: Fabrication, Properties, Optics, Thin Films, and Devices XVII, 114670N (21 August 2020);

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