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3 October 2022 Distributed-range Marcus electron transfer in organic photovoltaic (OPV) systems
Obadiah Reid, Joshua Carr, Taylor Allen, Garry Rumbles
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Proceedings Volume PC12209, Organic, Hybrid, and Perovskite Photovoltaics XXIII; PC122090J (2022) https://doi.org/10.1117/12.2637192
Event: SPIE Organic Photonics + Electronics, 2022, San Diego, California, United States
Abstract
We introduce the concept that free-charge generation in organic photovoltaic (OPV) materials may best be described by competition between long- and short-range electron transfer events, and that the distribution of rates as a function of distance follows the predictions of Marcus theory. Our results reveal the fundamental connection between solution-phase electron transfer research that has been conducted in the chemistry community over many decades, and the younger materials science effort to develop efficient OPV materials. The model that emerges provides insight into how the microstructure of OPV materials influences the electron transfer process via both entropic and quantum-mechanical mechanisms.
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Obadiah Reid, Joshua Carr, Taylor Allen, and Garry Rumbles "Distributed-range Marcus electron transfer in organic photovoltaic (OPV) systems", Proc. SPIE PC12209, Organic, Hybrid, and Perovskite Photovoltaics XXIII, PC122090J (3 October 2022); https://doi.org/10.1117/12.2637192
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KEYWORDS
Organic photovoltaics
Data modeling
Chemistry
Materials science
Modulation
Solar energy
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