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Revealing the Full Charge Transfer State Absorption Spectrum of Organic Solar Cells
Author(s) -
Brigeman Alyssa N.,
Fusella Michael A.,
Yan Yixin,
Purdum Geoffrey E.,
Loo YuehLin,
Rand Barry P.,
Giebink Noel C.
Publication year - 2016
Publication title -
advanced energy materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.08
H-Index - 220
eISSN - 1614-6840
pISSN - 1614-6832
DOI - 10.1002/aenm.201601001
Subject(s) - absorption (acoustics) , charge (physics) , organic solar cell , state (computer science) , materials science , dipole , acceptor , service (business) , absorption spectroscopy , planar , engineering physics , computer science , optics , physics , condensed matter physics , particle physics , business , quantum mechanics , computer graphics (images) , algorithm , marketing , composite material , polymer
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.