Journal
ADVANCED MATERIALS
Volume 26, Issue 36, Pages 6290-6294Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201400647
Keywords
dyes; organic solar cells; organic semiconductors; n-type; charge-carrier mobility
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Funding
- NSF [DMR-1056199, MRI-0821515]
- Division Of Chemistry
- Direct For Mathematical & Physical Scien [1148652] Funding Source: National Science Foundation
- Division Of Materials Research
- Direct For Mathematical & Physical Scien [1056199] Funding Source: National Science Foundation
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The effectiveness of new a electron acceptor for organic solar cells is demonstrated. The acceptor is a homoleptic zinc(II) complex of 2,6-diphenylethynyl-1,3,7,9-tetraphenylazadipyrromethene. The high power-conversion efficiency obtained is attributed to the acceptor's 3D structure, which prevents crystallization and promotes a favourable nanoscale morphology, its high V-oc, and its ability to contribute to light harvesting at 600-800 nm.
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