Abstract:
The photoexcitation energy transfer was studied in donor-acceptor systems (DA) formed from a mixture of the semiconductor polymer poly [2-methoxy-5-(2'-ethylhexyloxy) -1,4-phenylenevinylene] (MEH-PPV) with C60 fullerene and endohedral metallofullerene Ho@C$_{82}$. A significant effect of the exciton migration between the polymer units on the quenching of MEH-PPV luminescence has been established. The Foerster radii of nonradiative energy transfer for the investigated DA systems are estimated. It is shown that the DA system formed using endohedral metallofullerenes is the most effective. Based on MEH-PPV, model photovoltaic cells with different doping levels С$_{60}$ and Ho@C$_{82}$ were formed. For the formed cells, the spectral sensitivity of the Photo-EMF and the kinetics of the increase in the Photo-EMF signal under pulsed irradiation were measured. The mobility of charge carriers in the studied polymer composites was estimated. It was found that a change in the concentration of endohedral metallofullerene within 1–2% allows you to change the effective mobility of free carriers of the polymer heterojunction.
This study was performed within government contract no. 0089-2019-0011 and supported by the Ministry of Science and Higher Education of the Russian Federation within research project no. 0743-2017-0003 (3.6358.2017/8.9).
Citation:
I. E. Kareev, V. P. Bubnov, E. K. Alidzhanov, S. N. Pashkevich, Yu. D. Lantukh, S. N. Letuta, D. A. Razdobreev, “Photophysics of semiconductor polymer nanocomposite with fullerene С$_{60}$ and endohedral metallofullerene Ho@C$_{82}$”, Fizika Tverdogo Tela, 62:1 (2020), 164–171; Phys. Solid State, 62:1 (2020), 206–213
\Bibitem{KarBubAli20}
\by I.~E.~Kareev, V.~P.~Bubnov, E.~K.~Alidzhanov, S.~N.~Pashkevich, Yu.~D.~Lantukh, S.~N.~Letuta, D.~A.~Razdobreev
\paper Photophysics of semiconductor polymer nanocomposite with fullerene С$_{60}$ and endohedral metallofullerene Ho@C$_{82}$
\jour Fizika Tverdogo Tela
\yr 2020
\vol 62
\issue 1
\pages 164--171
\mathnet{http://mi.mathnet.ru/ftt8539}
\crossref{https://doi.org/10.21883/FTT.2020.01.48755.548}
\elib{https://elibrary.ru/item.asp?id=42571203}
\transl
\jour Phys. Solid State
\yr 2020
\vol 62
\issue 1
\pages 206--213
\crossref{https://doi.org/10.1134/S1063783420010163}
Linking options:
https://www.mathnet.ru/eng/ftt8539
https://www.mathnet.ru/eng/ftt/v62/i1/p164
This publication is cited in the following 4 articles:
Weifeng Chen, Meiyan Huang, Mixue Wu, Yizhu Lei, “Endohedral Metallofullerenes: Unveiling Synthesis Mechanisms and Advancing Photoelectric Energy Conversion Applications”, Top Curr Chem (Z), 383:2 (2025)
Georgios I. Giannopoulos, Stylianos K. Georgantzinos, Esmaeal Ghavanloo, “Tensile Behavior of Fullerene Nanosheets Utilizing Targeted Reactive Force Fields”, Advcd Theory and Sims, 2024
Cem Uludağ, Yaşar Karabul, Mehmet K{\i}lıç, Kenan Koç, Esra Alveroglu, Zeynep Güven Özdemir, “Improving the electrical properties of poly[2‐methoxy‐5‐(2‐ethylhexyloxy)‐1,4‐phenylenevinylene] by doping with camphor sulfonic acid for energy storage applications”, J of Applied Polymer Sci, 139:39 (2022)
P. Selvarengan, “Density Functional Theory Reactivity Studies on X3N@C80 (X = Sc, Gd, Lu) Fullerenes”, Asian J. Chem., 33:4 (2021), 814
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