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Two Novel Cyclopentadithiophene-Based Alternating Copolymers as Potential Donor Components for High-Efficiency Bulk-Heterojunction-Type Solar Cells
Abstract
Polymer/fullerene bulk heterojunctions have recently generated a lot of scientific interest due to their potential in low-cost photovoltaic applications. In this paper we detail the synthesis and characterization of two new low-band-gap polythiophenes, poly[4,4-bis(2-ethylhexyl)-4 H -cyclopenta[2,1- b:3,4- b ′]dithiophene-2,6-diyl- alt -4,7-bis(2-thienyl)-2,1,3-benzothiadiazole-5′,5′′-diyl] (PCPDTTBTT) and poly[4,4-bis(2-ethylhexyl)-4 H -cyclopenta[2,1- b:3,4- b ′]dithiophene-2,6-diyl- alt -2,3-dioctylquinoxaline-5,8-diyl] (PCPDTQ), for use in these applications. The PCPDTQ polymer did not produce efficient solar cells. A high power efficiency of 2.1% under one sun was found for a PCPDTTBTT/fullerene mixture. The high efficiency was achieved by alteration of the morphology using a solvent additive. Analysis of atomic force microscopy phase images shows that material phases with distinct mixing ratios are formed and altered with the addition of the solvent additive.
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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
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Designing π-conjugated polymers for organic electronics
Guo, X., Baumgarten, M., & Müllen, K. (2013) · Progress in Polymer Science · doi:10.1016/j.progpolymsci.2013.09.005 · Cited by 836
Organic Ternary Solar Cells: A Review
Ameri, T., Khoram, P., Min, J., & Brabec, C. J. (2013) · Advanced Materials · doi:10.1002/adma.201300623 · Cited by 766
Self-citationStille Polycondensation for Synthesis of Functional Materials
Carsten, B., He, F., Son, H. J., Xu, T., & Yu, L. (2011) · Chemical Reviews · doi:10.1021/cr100320w · Cited by 755
Donor–acceptor conjugated polymers based on multifused ladder-type arenes for organic solar cells
Wu, J.-S., Cheng, S.-W., Cheng, Y.-J., & Hsu, C.-S. (2015) · Chemical Society Reviews · doi:10.1039/c4cs00250d · Cited by 629
Metadata
- Authors
- Moulé, A. J., Tsami, A., Bünnagel, T. W., Forster, M., Kronenberg, N. M., Scharber, M., Koppe, M., Morana, M., Brabec, C. J., Meerholz, K., & Scherf, U.
- Venue
- Chemistry of Materials
- Publisher
- American Chemical Society (ACS)
- Published
- 2008-05-21
- Volume
- 20
- Issue
- 12
- Pages
- 4045-4050
- ISSN
- 0897-4756 (ISSN-L)
- 1520-5002
- OpenAlex
- W2089025238
- Cited by
- 183
- References
- 1
- FWCI
- 26.00
- Type
- journal article
- Language
- en
- Open access
- closed
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- The paper
- Moulé, A. J., Tsami, A., Bünnagel, T. W., Forster, M., Kronenberg, N. M., Scharber, M., Koppe, M., Morana, M., Brabec, C. J., Meerholz, K., & Scherf, U. (2008). Two Novel Cyclopentadithiophene-Based Alternating Copolymers as Potential Donor Components for High-Efficiency Bulk-Heterojunction-Type Solar Cells. Chemistry of Materials. https://doi.org/10.1021/cm8006638
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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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