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Polymer Photovoltaic Cells: Enhanced Efficiencies via a Network of Internal Donor-Acceptor Heterojunctions
Open accessAbstract
The carrier collection efficiency (η c ) and energy conversion efficiency (η e ) of polymer photovoltaic cells were improved by blending of the semiconducting polymer with C 60 or its functionalized derivatives. Composite films of poly(2-methoxy-5-(2′-ethyl-hexyloxy)-1,4-phenylene vinylene) (MEH-PPV) and fullerenes exhibit η c of about 29 percent of electrons per photon and η e of about 2.9 percent, efficiencies that are better by more than two orders of magnitude than those that have been achieved with devices made with pure MEH-PPV. The efficient charge separation results from photoinduced electron transfer from the MEH-PPV (as donor) to C 60 (as acceptor); the high collection efficiency results from a bicontinuous network of internal donor-acceptor heterojunctions.
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Cited by
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Lee, M. M., Teuscher, J., Miyasaka, T., Murakami, T. N., & Snaith, H. J. (2012) · Science · doi:10.1126/science.1228604 · Cited by 10,687
Stranks, S. D., Eperon, G. E., Grancini, G., Menelaou, C., Alcocer, M. J. P., Leijtens, T., Herz, L. M., Petrozza, A., & Snaith, H. J. (2013) · Science · doi:10.1126/science.1243982 · Cited by 10,413
Bulk heterojunction solar cells with internal quantum efficiency approaching 100%
Park, S. H., Roy, A., Beaupré, S., Cho, S., Coates, N., Moon, J. S., Moses, D., Leclerc, M., Lee, K., & Heeger, A. J. (2009) · Nature Photonics · doi:10.1038/nphoton.2009.69 · Cited by 4,073
Self-citationHe, Z., Zhong, C., Huang, X., Wong, W., Wu, H., Chen, L., Su, S., & Cao, Y. (2011) · Advanced Materials · doi:10.1002/adma.201103006 · Cited by 2,134
Small molecule semiconductors for high-efficiency organic photovoltaics
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Metadata
- Authors
- Yu, G., Gao, J., Hummelen, J. C., Wudl, F., & Heeger, A. J.
- Venue
- Science
- Published
- 1995-12-15
- Volume
- 270
- Issue
- 5243
- Pages
- 1789-1791
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W2071134066
- Cited by
- 10,348
- References
- 0
- FWCI
- 31.62
- Type
- journal article
- Language
- en
- Open access
- green
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- Yu, G., Gao, J., Hummelen, J. C., Wudl, F., & Heeger, A. J. (1995). Polymer Photovoltaic Cells: Enhanced Efficiencies via a Network of Internal Donor-Acceptor Heterojunctions. Science. https://doi.org/10.1126/science.270.5243.1789
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