Cationic Porphyrin-Graphene Oxide Hybrid: Donor-Acceptor Composite for Efficient Photoinduced Electron Transfer.

@article{Larowska2019CationicPO,
  title={Cationic Porphyrin-Graphene Oxide Hybrid: Donor-Acceptor Composite for Efficient Photoinduced Electron Transfer.},
  author={Daria Larowska and A. Wojcik and M. Mazurkiewicz-Pawlicka and A. Małolepszy and L. Stobiński and B. Marciniak and A. Lewandowska-Andralojc},
  journal={Chemphyschem : a European journal of chemical physics and physical chemistry},
  year={2019},
  volume={20 8},
  pages={
          1054-1066
        }
}
Non-covalent nanohybrids composed of cationic 5,10,15,20-tetra(4-trimethylammoniophenyl)porphyrin tetra(p-toluenesulfonate) (TMAP) and the graphene oxide sheets were prepared under two pH values (6.2 vs. 1.8). The TMAP molecule was positively charged, regardless of the pH value during preparation. However, protonation of the imino nitrogens increased the overall charge of the porphyrin molecule from +4 to +6 (TMAP4+ and TMAP6+ ). It was found that at acidic pH, interaction of TMAP6+ with GO was… Expand
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