- Abstract:
-
We develop a simple model that can explain the current-voltage ( J- V) curves of excitonic photovoltaic solar cells, spanning polymer:polymer, polymer:fullerene, and polymer:nanocrystal devices. We show that by subtracting out the dark current, we can explain apparent intensity-dependent characteristics and thus identify geminate recombination as the dominant loss mechanism and establish its electric field dependence. We present an analytic fit to the J- V curves of all measured devices based...
Expand abstract - Publication status:
- Published
- Publisher copy:
- 10.1021/nl080200p
-
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- Journal:
- Nano letters
- Volume:
- 8
- Issue:
- 5
- Pages:
- 1393-1398
- Publication date:
- 2008-05-05
- DOI:
- EISSN:
-
1530-6992
- ISSN:
-
1530-6984
- URN:
-
uuid:f495c90d-5638-41ed-9cd5-f8360f8dc1f6
- Source identifiers:
-
155038
- Local pid:
- pubs:155038
- Copyright date:
- 2008
Journal article
A unified description of current-voltage characteristics in organic and hybrid photovoltaics under low light intensity.
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