najoNanosystems: Physics, Chemistry, MathematicsНаносистемы: физика, химия, математика2220-80542305-7971Университет ИТМОnajo-871Research ArticleFULLERENSFULLERENSFullerene films with suppressed polymerizing abilityYesilbasM.

90187 Umea

merveyesilbas.my@gmail.comMakarovaT. L.

90187 Umea; 194021 St. Petersburg

ZakharovaI.

195251 St. Petersburg

Umea UniversitySwedenUmea University; Ioffe Physico-technical InstituteSwedenState Technical UniversityRussian Federation201415082025515361Copyright © Yesilbas M., Makarova T.L., Zakharova I., 20252025Yesilbas M., Makarova T.L., Zakharova I.Yesilbas M., Makarova T.L., Zakharova I.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://nanojournal.ifmo.ru/jour/article/view/871

Illumination of fullerene with visible light in the presence of oxygen leads to a transition of oxygen from triplet (ground) to singlet (excited) state where singlet oxygen is a long-lived reactive oxygen species. The effectiveness of fullerene as a singlet oxygen generator drastically decreases when fullerenes are condensed into a bulk material, mainly due to the polymerization ability. The ability of fullerene films to polymerize was studied for the C60 fullerene films intercalated with tetraphenylporphyrine (TPP), CdS, CdTe, HNO3 as well as the hydrogen plasma treated films. Raman spectroscopy was used for monitoring the polymerization process. The ability to polymerize was found to be tightly connected to the formation of charge-transfer (Wannier-Mott) excitons which are revealed in the absorption spectra and measured with the help of spectroscopic ellipsometry.

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The authors declare that there are no conflicts of interest present.