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Vertically segregated polymer-blend photovoltaic thin-film structures through surface-mediated solution processing
Abstract
Surface treatment and solvent evaporation control are used to promote vertical segregation in polyfluorene-blend thin films. This surface-mediated control of the compositional structure in the direction normal to the plane of the film has important implications for optimizing charge transport in solution-processed conjugated polymer-blend optoelectronics. Here, the surface energy of the hole-collector electrode of photovoltaic devices is modified by deposition of self-assembled monolayers to favor segregation of the hole-accepting component of the blend to the substrate. Devices fabricated with intentionally vertically segregated blends showed external quantum efficiencies of up to 14%, which is ten times higher than that of devices fabricated without surface modification.
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Cited by
Campoy-Quiles, M., Ferenczi, T., Agostinelli, T., Etchegoin, P. G., Kim, Y., Anthopoulos, T. D., Stavrinou, P. N., Bradley, D. D. C., & Nelson, J. (2008) · Nature Materials · doi:10.1038/nmat2102 · Cited by 1,453
Thin‐film solar cells: an overview
Chopra, K. L., Paulson, P. D., & Dutta, V. (2004) · Progress in Photovoltaics: Research and Applications · doi:10.1002/pip.541 · Cited by 1,308
Interface investigation and engineering – achieving high performance polymer photovoltaic devices
Chen, L.-M., Xu, Z., Hong, Z., & Yang, Y. (2010) · Journal of Materials Chemistry · doi:10.1039/b925382c · Cited by 565
Watkins, P. K., Walker, A. B., & Verschoor, G. L. B. (2005) · Nano Letters · doi:10.1021/nl051098o · Cited by 395
Conjugated‐Polymer Blends for Optoelectronics
McNeill, C. R., & Greenham, N. C. (2009) · Advanced Materials · doi:10.1002/adma.200900783 · Cited by 311
Metadata
- Authors
- Arias, A. C., Corcoran, N., Banach, M., Friend, R. H., MacKenzie, J. D., & Huck, W. T. S.
- Venue
- Applied Physics Letters
- Publisher
- AIP Publishing
- Published
- 2002-03-11
- Volume
- 80
- Issue
- 10
- Pages
- 1695-1697
- ISSN
- 0003-6951 (ISSN-L)
- 1077-3118
- OpenAlex
- W2065836368
- Cited by
- 210
- References
- 0
- FWCI
- 17.88
- Type
- journal article
- Language
- en
- Open access
- closed
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- Arias, A. C., Corcoran, N., Banach, M., Friend, R. H., MacKenzie, J. D., & Huck, W. T. S. (2002). Vertically segregated polymer-blend photovoltaic thin-film structures through surface-mediated solution processing. Applied Physics Letters. https://doi.org/10.1063/1.1456550
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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