Dominant effects of first monolayer energetics at donor/acceptor interfaces on organic photovoltaics.
basic_science · Level V
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- Record sourced from PubMed, PMID 25856403.
- Also identified by DOI 10.1002/adma.201500840.
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Abstract
Energy levels of the first monolayer are manipulated at donor/acceptor interfaces in planar heterojunction organic photovoltaics by using molecular self-organization. A "cascade" energy landscape allows thermal-activation-free charge generation by photoirradiation, destabilizes the energy of the interfacial charge-transfer state, and suppresses bimolecular charge recombination, resulting in a higher open-circuit voltage and fill factor.