Abstract
A model of the photocurrent generation of charge carriers in blends of donor (D) and acceptor (A) materials structured on the nanoscale is considered. The absorption of a quantum of light in one of these materials creates a molecular exciton, which can reach the interface between the D and A phases and form an interfacial charge transfer (CT) exciton on this interface, which dissociates into an electron-hole pair. The probabilities of the dissociation of CT excitons into free current carriers are calculated as a function of the electric field and the thermalization length of the electron-hole pair.
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The study was carried out as part of a state assignment of the Russian Ministry of Science and Higher Education (topic no. 122040500074-1).
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Lukin, L.V. Empirical Model of the Charge Carriers’ Photogeneration in Organic Solar Cells. Russ. J. Phys. Chem. B 17, 1300–1308 (2023). https://doi.org/10.1134/S1990793123060180
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DOI: https://doi.org/10.1134/S1990793123060180