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Composition and annealing effects in polythiophene/fullerene solar cells
Open accessAbstract
We have fabricated organic solar cells with blends of regioregular poly(3-hexylthiophene) (P3HT) and 1-(3-methoxycarbonyl)-propyl-1-phenyl-(6,6)C61 (PCBM) as electron donor and electron acceptor, respectively. Blend composition and device annealing effects were investigated with optical absorption and photoluminescence spectroscopy, atomic force microscopy, photocurrent spectroscopy, and current-voltage characteristic measurements on devices under monochromatic or air mass (AM) 1.5 simulated solar light illumination. The highest efficiency was achieved for the 1:1 (P3HT:PCBM) weight ratio composition. The good performance is attributed to an optimized morphology that enables close intermolecular packing of P3HT chains. Inferior performance for the 1:2 composition is attributed to poorer intermolecular packing with increased PCBM content, while phase segregation on a sub-micron scale was observed for the 1:4 composition. The power conversion efficiency (AM 1.5) was doubled by the thermal annealing of devices at 140∘C to reach a value of 1.4%.
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Cited by
Kim, Y., Cook, S., Tuladhar, S. M., Choulis, S. A., Nelson, J., Durrant, J. R., Bradley, D. D. C., Giles, M., McCulloch, I., Ha, C.-S., et al. (2006) · Nature Materials · doi:10.1038/nmat1574 · Cited by 2,312
Self-citationDang, M. T., Hirsch, L., Wantz, G., & Wuest, J. D. (2013) · Chemical Reviews · doi:10.1021/cr300005u · Cited by 587
Savenije, T. J., Ferguson, A. J., Kopidakis, N., & Rumbles, G. (2013) · The Journal of Physical Chemistry C · doi:10.1021/jp406706u · Cited by 257
Highly sensitive fluorescence detection system for microfluidic lab-on-a-chip
Ryu, G., Huang, J., Hofmann, O., Walshe, C. A., Sze, J. Y. Y., McClean, G. D., Mosley, A., Rattle, S. J., deMello, J. C., deMello, A. J., et al. (2011) · Lab on a Chip · doi:10.1039/c0lc00586j · Cited by 93
Self-citationBELCHER, W., WAGNER, K., & DASTOOR, P. (2007) · Solar Energy Materials and Solar Cells · doi:10.1016/j.solmat.2006.09.007 · Cited by 88
Metadata
- Authors
- Kim, Y., Choulis, S. A., Nelson, J., Bradley, D. D. C., Cook, S., & Durrant, J. R.
- Venue
- Journal of Materials Science
- Published
- 2005-03
- Volume
- 40
- Issue
- 6
- Pages
- 1371-1376
- ISSN
- 0022-2461 (ISSN-L)
- 1573-4803
- OpenAlex
- W1973230961
- Cited by
- 214
- References
- 0
- FWCI
- 13.67
- Type
- journal article
- Language
- en
- Open access
- green
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- Kim, Y., Choulis, S. A., Nelson, J., Bradley, D. D. C., Cook, S., & Durrant, J. R. (2005). Composition and annealing effects in polythiophene/fullerene solar cells. Journal of Materials Science. https://doi.org/10.1007/s10853-005-0568-0
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