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Morphological Devic...
Morphological Device Model for Organic Bulk Heterojunction Solar Cells
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- Maturova, K. (författare)
- Eindhoven University of Technology, Netherlands
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- van Bavel, S. S. (författare)
- Eindhoven University of Technology, Netherlands
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- Wienk, M. M. (författare)
- Eindhoven University of Technology, Netherlands
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- Janssen, R. A. J. (författare)
- Eindhoven University of Technology, Netherlands; Eindhoven University of Technology, Netherlands
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- Kemerink, M. (författare)
- Eindhoven University of Technology, Netherlands
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(creator_code:org_t)
- 2009-07-29
- 2009
- Engelska.
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Ingår i: Nano letters (Print). - : American Chemical Society. - 1530-6984 .- 1530-6992. ; 9:8, s. 3032-3037
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
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- We present a numerical model for calculating current-voltage characteristics of polymer:fullerene bulk hetrojunction solar cells at different degrees of nanoscale phase separation. We show that the short-circuit current enhancement with finer phase separation is due to a reduction in bimolecular recombination caused by lateral movement of photogenerated electrons to the fullerene-rich phase. At high bias, vertical electron transport is enhanced and lateral movement is reduced, causing a significant field-dependent carrier extraction for coarse morphologies.
Ämnesord
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
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