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Enhancing the Thermal Stability of Polythiophene:Fullerene Solar Cells by Decreasing Effective Polymer Regioregularity
Abstract
Regioregularity has been shown to be an important aspect for the properties of poly(3-hexylthiophene) both in the pristine material and in bulk heterojunction photovoltaics with the fullerene derivative PCBM. Here we present a straightforward method to adjust the effective regioregularity of poly(3-hexylthiophene) by introducing 3,4-dihexylthiophene into the polymer chain. By investigating bulk heterojunction morphology and photovoltaic performance upon annealing, we observe that polythiophene with 91% regioregularity maintains equivalent electronic properties but forms a more thermally stable interpenetrating network with PCBM than polythiophene with regioregularity >96%.
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Markov, D. E., Amsterdam, E., Blom, P. W. M., Sieval, A. B., & Hummelen, J. C. (2005) · The Journal of Physical Chemistry A · doi:10.1021/jp0509663 · Cited by 432
Cited by
Stability/degradation of polymer solar cells
Jørgensen, M., Norrman, K., & Krebs, F. C. (2008) · Solar Energy Materials and Solar Cells · doi:10.1016/j.solmat.2008.01.005 · Cited by 2,335
Beaujuge, P. M., & Fréchet, J. M. J. (2011) · Journal of the American Chemical Society · doi:10.1021/ja2073643 · Cited by 1,427
Self-citationStability of organic solar cells: challenges and strategies
Cheng, P., & Zhan, X. (2016) · Chemical Society Reviews · doi:10.1039/c5cs00593k · Cited by 1,046
Processable Low-Bandgap Polymers for Photovoltaic Applications
Boudreault, P.-L. T., Najari, A., & Leclerc, M. (2011) · Chemistry of Materials · doi:10.1021/cm1021855 · Cited by 827
Advanced materials and processes for polymer solar cell devices
Helgesen, M., Søndergaard, R., & Krebs, F. C. (2010) · J. Mater. Chem. · doi:10.1039/b913168j · Cited by 767
Metadata
- Authors
- Sivula, K., Luscombe, C. K., Thompson, B. C., & Fréchet, J. M. J.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2006-10-10
- Volume
- 128
- Issue
- 43
- Pages
- 13988-13989
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W2018604981
- Cited by
- 227
- References
- 1
- FWCI
- 15.18
- Type
- journal article
- Language
- en
- Open access
- closed
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