How High Local Charge Carrier Mobility and an Energy Cascade in a Three-Phase Bulk Heterojunction Enable >90% Quantum Efficiency

Timothy M. Burke, Michael D. McGehee

Research output: Contribution to journalArticlepeer-review

222 Scopus citations

Abstract

Charge generation in champion organic solar cells is highly efficient in spite of low bulk charge-carrier mobilities and short geminate-pair lifetimes. In this work, kinetic Monte Carlo simulations are used to understand efficient charge generation in terms of experimentally measured high local charge-carrier mobilities and energy cascades due to molecular mixing. © 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
Original languageEnglish (US)
Pages (from-to)1923-1928
Number of pages6
JournalAdvanced Materials
Volume26
Issue number12
DOIs
StatePublished - Dec 27 2013
Externally publishedYes

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