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Correlation Between Structural and Optical Properties of Composite Polymer/Fullerene Films for Organic Solar Cells
Abstract
We investigate thin poly(3‐hexylthiophene‐2,5‐diyl)/[6,6]‐phenyl C 61 butyric acid methyl ester (P3HT/PCBM) films, which are widely used as active layers in plastic solar cells. Their structural properties are studied by grazing‐incidence X‐ray diffraction (XRD). The size and the orientation of crystalline P3HT nanodomains within the films are determined. PCBM crystallites are not detected in thin films by XRD. Upon annealing, the P3HT crystallinity increases, leading to an increase in the optical absorption and spectral photocurrent in the low‐photon‐energy region. As a consequence, the efficiency of P3HT/PCBM solar cells is significantly increased. A direct relation between efficiency and P3HT crystallinity is demonstrated.
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Citations
Cited by
Conjugated Polymer-Based Organic Solar Cells
Günes, S., Neugebauer, H., & Sariciftci, N. S. (2007) · Chemical Reviews · doi:10.1021/cr050149z · Cited by 6,279
Charge Photogeneration in Organic Solar Cells
Clarke, T. M., & Durrant, J. R. (2010) · Chemical Reviews · doi:10.1021/cr900271s · Cited by 2,372
Dang, M. T., Hirsch, L., Wantz, G., & Wuest, J. D. (2013) · Chemical Reviews · doi:10.1021/cr300005u · Cited by 587
Light Harvesting for Organic Photovoltaics
Hedley, G. J., Ruseckas, A., & Samuel, I. D. W. (2017) · Chemical Reviews · doi:10.1021/acs.chemrev.6b00215 · Cited by 580
Photocrosslinkable Polythiophenes for Efficient, Thermally Stable, Organic Photovoltaics
Kim, B. J., Miyamoto, Y., Ma, B., & Fréchet, J. M. J. (2009) · Advanced Functional Materials · doi:10.1002/adfm.200900043 · Cited by 276
Metadata
- Authors
- Erb, T., Zhokhavets, U., Gobsch, G., Raleva, S., Stühn, B., Schilinsky, P., Waldauf, C., & Brabec, C. J.
- Venue
- Advanced Functional Materials
- Publisher
- Wiley
- Published
- 2005-07
- Volume
- 15
- Issue
- 7
- Pages
- 1193-1196
- ISSN
- 1616-301X (ISSN-L)
- 1616-3028
- OpenAlex
- W1974548162
- Cited by
- 831
- References
- 0
- FWCI
- 26.06
- Type
- journal article
- Language
- en
- Open access
- closed
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- Erb, T., Zhokhavets, U., Gobsch, G., Raleva, S., Stühn, B., Schilinsky, P., Waldauf, C., & Brabec, C. J. (2005). Correlation Between Structural and Optical Properties of Composite Polymer/Fullerene Films for Organic Solar Cells. Advanced Functional Materials. https://doi.org/10.1002/adfm.200400521
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