Empirical Model of the Charge Carriers’ Photogeneration
in Organic Solar Cells

L. V. Lukin; Лукин Л. В.

doi:10.31857/S0207401X23120075

Empirical Model of the Charge Carriers’ Photogeneration in Organic Solar Cells

Authors: Lukin L.V.¹
Affiliations:
1. Semenov Federal Research Center for Chemical Physics, Russian Academy of Sciences
Issue: Vol 42, No 12 (2023)
Pages: 54-63
Section: Электрические и магнитные свойства материалов
URL: https://rjmseer.com/0207-401X/article/view/675012
DOI: https://doi.org/10.31857/S0207401X23120075
EDN: https://elibrary.ru/ZGRECX
ID: 675012

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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.

Keywords

photoionization, organic photovoltaics, exciton, charge-transfer complex

About the authors

L. V. Lukin

Semenov Federal Research Center for Chemical Physics, Russian Academy of Sciences

Author for correspondence.
Email: leonid.v.lukin@gmail.com
Moscow, Russia

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