Fine-Tuning the 3D Structure of Nonfullerene Electron Acceptors Toward High-Performance Polymer Solar Cells

Fine-Tuning the 3D Structure of Nonfullerene Electron Acceptors Toward High-Performance Polymer Solar Cells

Arylene linkers in a series of new tetraaza­benzodifluoranthene diimide dimers enable tuning of the 3D molecular structure of nonfullerene electron acceptors, facilitating observation of dramatic variation of the power conversion efficiency from 2.6% to 6.4% as the twist angle between the monomeric...

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Veröffentlicht in:Advanced materials (Weinheim) 2015-06, Vol.27 (21), p.3266-3272
Hauptverfasser: Li, Haiyan, Hwang, Ye-Jin, Courtright, Brett A. E., Eberle, Frank N., Subramaniyan, Selvam, Jenekhe, Samson A.
Format: Artikel
Sprache:eng
Schlagworte:
3D structures
Diimide
Dimers
Energy conversion efficiency
Molecular structure
n-type organic semiconductors
nonfullerene electron acceptors
Photovoltaic cells
polymer solar cells
Solar cells
tetraazabenzodifluoranthene diimide
Three dimensional
Tuning
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Zusammenfassung:Arylene linkers in a series of new tetraaza­benzodifluoranthene diimide dimers enable tuning of the 3D molecular structure of nonfullerene electron acceptors, facilitating observation of dramatic variation of the power conversion efficiency from 2.6% to 6.4% as the twist angle between the monomeric building blocks in the dimer is varied.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.201500577