Revealing the Full Charge Transfer State Absorption Spectrum of Organic Solar Cells

Anisotropic charge transfer (CT) state absorption originating from the natural transition dipole alignment at planar donor–acceptor interfaces can be exploited to reveal the full CT state absorption spectrum in organic solar cells. Application of this method reveals the existence of previously unobs...

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Published inAdvanced energy materials Vol. 6; no. 21; pp. np - n/a
Main Authors Brigeman, Alyssa N., Fusella, Michael A., Yan, Yixin, Purdum, Geoffrey E., Loo, Yueh-Lin, Rand, Barry P., Giebink, Noel C.
Format Journal Article
LanguageEnglish
Published Weinheim Blackwell Publishing Ltd 01.11.2016
Wiley Subscription Services, Inc
Wiley
Subjects
Absorption
Absorption spectra
Alignment
Anisotropy
Charge transfer
Dipoles
organic photovoltaic
Photovoltaic cells
polarization
Solar cells
SOLAR ENERGY
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Summary:Anisotropic charge transfer (CT) state absorption originating from the natural transition dipole alignment at planar donor–acceptor interfaces can be exploited to reveal the full CT state absorption spectrum in organic solar cells. Application of this method reveals the existence of previously unobserved, higher‐lying CT absorption buried beneath the excitonic background.
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USDOE Office of Science (SC), Basic Energy Sciences (BES)
SC0012365; SC0012458; DMR-1420541; DMR-1332208
National Science Foundation (NSF)
ISSN:1614-6832
1614-6840
DOI:10.1002/aenm.201601001