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Charge transfer in graphene quantum dots coupled with tetrathiafulvalenes
- Scharl, Tobias, Ferrer-Ruiz, Andrés, Saura-Sanmartín, Adrián, Rodríguez-Pérez, Laura, Herranz, M. Ángeles, Martín, Nazario, Guldi, Dirk M.
- Chemical communications 2019 v.55 no.22 pp. 3223-3226
- chemical bonding, chemical compounds, chemical reactions, fluorescence, graphene, quantum dots, water solubility
- Water-soluble fluorescent graphene quantum dots have been successfully prepared through a top-down approach, that is, starting with graphite, and covalently functionalizing it with π-extended tetrathiafulvalene. Charge transfer investigations reveal noticeably slower charge recombination when compared with exTTF nanoconjugates featuring carbon nanodots, for which a larger presence of trap states is observed.