Non-Basic High-Performance Molecules for Solution-Processed Organic Solar Cells

Non-Basic High-Performance Molecules for Solution-Processed Organic Solar Cells

A new small molecule, p‐DTS(FBTTh2)2, is designed for incorporation into solution‐fabricated high‐efficiency organic solar cells. Of primary importance is the incorporation of electron poor heterocycles that are not prone to protonation and thereby enable the incorporation of commonly used interlaye...

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Veröffentlicht in:Advanced Materials 2012-07, Vol.24 (27), p.3646-3649
Hauptverfasser: van der Poll, Thomas S., Love, John A., Nguyen, Thuc-Quyen, Bazan, Guillermo C.
Format: Artikel
Sprache:eng
Schlagworte:
bulk heterojunction
Electrodes
electron poor heterocycles
Heterocyclic Compounds - chemistry
organic solar cells
Organosilicon Compounds - chemical synthesis
Organosilicon Compounds - chemistry
Polystyrenes - chemistry
Protons
Semiconductors
small molecules
solar (photovoltaic), solid state lighting, phonons, thermoelectric, bio-inspired, energy storage (including batteries and capacitors), electrodes - solar, defects, charge transport, materials and chemistry by design, optics, synthesis (novel materials), synthesis (self-assembly), synthesis (scalable processing)
Solar Energy
solution-processed
Solutions - chemistry
Thiadiazoles - chemical synthesis
Thiadiazoles - chemistry
Thiophenes - chemistry
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Beschreibung
Zusammenfassung:A new small molecule, p‐DTS(FBTTh2)2, is designed for incorporation into solution‐fabricated high‐efficiency organic solar cells. Of primary importance is the incorporation of electron poor heterocycles that are not prone to protonation and thereby enable the incorporation of commonly used interlayers between the organic semiconductor and the charge collecting electrodes. These features have led to the creation of p‐DTS(FBTTh2)2/PC71BM solar cells with power conversion efficiencies of up to 7%.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.201201127