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Poly(2,7-carbazole) and perylene tetracarboxydiimide: a promising donor/acceptor pair for polymer solar cells
Abstract
A highly soluble polycarbazole (PCz) has been synthesized, and used as a donor material with perylene tetracarboxydiimide (PDI) as an acceptor and light harvesting material in bulk-heterojunction solar cells. This donor/acceptor (D/A) pair shows a broad absorption fit within the solar spectrum, and balanced potential levels for charge separation at the D/A interface. The best photovoltaic device exhibits a high external quantum efficiency (EQE) of 16% at 490 nm and a power efficiency of 0.6% under illumination with solar light. The morphology of PCz/PDI films studied by SEM showed the formation of a favorable micro-phase separation, which is important in obtaining high efficiency. Incorporation of poly(3-hexyl)thiophene (P3HT) instead of PCz as donor produced a much lower Voc and thus a lower efficiency in solar cells.
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Cited by
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Sharma, K., Sharma, V., & Sharma, S. S. (2018) · Nanoscale Research Letters · doi:10.1186/s11671-018-2760-6 · Cited by 1,084
Molecular Semiconductors in Organic Photovoltaic Cells
Hains, A. W., Liang, Z., Woodhouse, M. A., & Gregg, B. A. (2010) · Chemical Reviews · doi:10.1021/cr9002984 · Cited by 935
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Guo, X., Baumgarten, M., & Müllen, K. (2013) · Progress in Polymer Science · doi:10.1016/j.progpolymsci.2013.09.005 · Cited by 836
Self-citationNon-fullerene acceptors for organic photovoltaics: an emerging horizon
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Metadata
- Authors
- Li, J., Dierschke, F., Wu, J., Grimsdale, A. C., & Müllen, K.
- Venue
- J. Mater. Chem.
- Publisher
- Royal Society of Chemistry (RSC)
- Published
- 2006
- Volume
- 16
- Issue
- 1
- Pages
- 96-100
- ISSN
- 0959-9428 (ISSN-L)
- 1364-5501
- OpenAlex
- W2134790027
- Cited by
- 274
- References
- 0
- FWCI
- 13.03
- Type
- journal article
- Language
- en
- Open access
- closed
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- Li, J., Dierschke, F., Wu, J., Grimsdale, A. C., & Müllen, K. (2006). Poly(2,7-carbazole) and perylene tetracarboxydiimide: a promising donor/acceptor pair for polymer solar cells. J. Mater. Chem. https://doi.org/10.1039/b512373a
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