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A Low Band Gap, Solution Processable Oligothiophene with a Diketopyrrolopyrrole Core for Use in Organic Solar Cells
Abstract
We synthesized a low band gap, solution processable oligothiophene derivative functionalized with a diketopyrrolopyrrole core, which is a highly absorbing chromophoric group. This design leads to optical absorption that extends to 720 nm in solution and to 820 nm in the film. Cyclic voltammetry shows quasireversible oxidation and reduction processes. Bulk heterojunction solar cells using [6,6]-phenyl C61-butyric acid methyl ester (PCBM) as the electron acceptor were fabricated. The power conversion efficiencies (PCEs) depend on the donor−acceptor ratio. A 70:30 donor/acceptor by weight mixture provided a PCE of 2.3% under simulated AM 1.5 solar irradiation of 100 mW/cm 2 . To date, this is the highest efficiency reported for small molecule-based solution processed bulk heterojunction solar cells.
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Cites
Conjugated Polymer-Based Organic Solar Cells
Günes, S., Neugebauer, H., & Sariciftci, N. S. (2007) · Chemical Reviews · doi:10.1021/cr050149z · Cited by 6,279
Cited by
Small Molecule Organic Semiconductors on the Move: Promises for Future Solar Energy Technology
Mishra, A., & Bäuerle, P. (2012) · Angewandte Chemie International Edition · doi:10.1002/anie.201102326 · Cited by 1,816
Small molecule semiconductors for high-efficiency organic photovoltaics
Lin, Y., Li, Y., & Zhan, X. (2012) · Chemical Society Reviews · doi:10.1039/c2cs15313k · Cited by 1,751
Small Molecule Solution-Processed Bulk Heterojunction Solar Cells
Walker, B., Kim, C., & Nguyen, T.-Q. (2011) · Chemistry of Materials · doi:10.1021/cm102189g · Cited by 933
Self-citationNear‐Infrared Organic Compounds and Emerging Applications
Qian, G., & Wang, Z. Y. (2010) · Chemistry – An Asian Journal · doi:10.1002/asia.200900596 · Cited by 772
High Performance Photovoltaic Applications Using Solution-Processed Small Molecules
Chen, Y., Wan, X., & Long, G. (2013) · Accounts of Chemical Research · doi:10.1021/ar400088c · Cited by 667
Metadata
- Authors
- Tamayo, A. B., Walker, B., & Nguyen*, T.-Q.
- Venue
- The Journal of Physical Chemistry C
- Publisher
- American Chemical Society (ACS)
- Published
- 2008-07
- Volume
- 112
- Issue
- 30
- Pages
- 11545-11551
- ISSN
- 1932-7447 (ISSN-L)
- 1932-7455
- OpenAlex
- W2087778250
- Cited by
- 365
- References
- 1
- FWCI
- 34.67
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: A Low Band Gap, Solution Processable Oligothiophene with a Diketopyrrolopyrrole Core for Use in Organic Solar Cells. https://app.cochat.ai/papers/10.1021/jp8031572
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- Tamayo, A. B., Walker, B., & Nguyen*, T.-Q. (2008). A Low Band Gap, Solution Processable Oligothiophene with a Diketopyrrolopyrrole Core for Use in Organic Solar Cells. The Journal of Physical Chemistry C. https://doi.org/10.1021/jp8031572
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
