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A low band gap, solution processable oligothiophene with a dialkylated diketopyrrolopyrrole chromophore for use in bulk heterojunction solar cells
Abstract
Bulk heterojunction solar cells are fabricated from blends of oligothiophene with a dialkylated diketopyrrolopyrrole chromophore:[6,6]-phenyl C71 butyric acid methyl ester. Absorption and photocurrent of the films extend to 800 nm. A power conversion efficiency (PCE) of 3.0% is obtained under simulated 100 mW/cm2 AM1.5 illumination with a 9.2 mA/cm2 short-circuit current density and an open-circuit voltage of 0.75 V. The hole and electron mobilities in the 50:50 blend are fairly balanced, 1.0×10−4 and 4.8×10−4 cm2/V s, respectively. This is the highest PCE reported to date for solar cells using solution processable small molecules.
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Citations
Cited by
π-Conjugated Polymers for Organic Electronics and Photovoltaic Cell Applications
Facchetti, A. (2011) · Chemistry of Materials · doi:10.1021/cm102419z · Cited by 2,348
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
Metadata
- Authors
- Tamayo, A. B., Dang, X.-D., Walker, B., Seo, J., Kent, T., & Nguyen, T.-Q.
- Venue
- Applied Physics Letters
- Publisher
- AIP Publishing
- Published
- 2009-03-09
- Volume
- 94
- Issue
- 10
- ISSN
- 0003-6951 (ISSN-L)
- 1077-3118
- OpenAlex
- W2091723507
- Cited by
- 293
- References
- 0
- FWCI
- 39.86
- Type
- journal article
- Language
- en
- Open access
- closed
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- Tamayo, A. B., Dang, X.-D., Walker, B., Seo, J., Kent, T., & Nguyen, T.-Q. (2009). A low band gap, solution processable oligothiophene with a dialkylated diketopyrrolopyrrole chromophore for use in bulk heterojunction solar cells. Applied Physics Letters. https://doi.org/10.1063/1.3086897
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