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Highly Conductive PEDOT:PSS Electrode with Optimized Solvent and Thermal Post‐Treatment for ITO‐Free Organic Solar Cells
Abstract
Highly conductive poly(3,4‐ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS) films as stand‐alone electrodes for organic solar cells have been optimized using a solvent post‐treatment method. The treated PEDOT:PSS films show enhanced conductivities up to 1418 S cm−1, accompanied by structural and chemical changes. The effect of the solvent treatment on PEDOT:PSS has been investigated in detail and is shown to cause a reduction of insulating PSS in the conductive polymer layer. Using these optimized electrodes, ITO‐free, small molecule organic solar cells with a zinc phthalocyanine (ZnPc):fullerene C 60 bulk heterojunction have been produced on glass and PET substrates. The system was further improved by pre‐heating the PEDOT:PSS electrodes, which enhanced the power conversion efficiency to the values obtained for solar cells on ITO electrodes. The results show that optimized PEDOT:PSS with solvent and thermal post‐treatment can be a very promising electrode material for highly efficient flexible ITO‐free organic solar cells.
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Citations
Cited by
Engineered doping of organic semiconductors for enhanced thermoelectric efficiency
Kim, G.-H., Shao, L., Zhang, K., & Pipe, K. P. (2013) · Nature Materials · doi:10.1038/nmat3635 · Cited by 1,688
Structural control of mixed ionic and electronic transport in conducting polymers
Rivnay, J., Inal, S., Collins, B. A., Sessolo, M., Stavrinidou, E., Strakosas, X., Tassone, C., Delongchamp, D. M., & Malliaras, G. G. (2016) · Nature Communications · doi:10.1038/ncomms11287 · Cited by 939
Electronic Properties of Transparent Conductive Films of PEDOT:PSS on Stretchable Substrates
Lipomi, D. J., Lee, J. A., Vosgueritchian, M., Tee, B. C.-K., Bolander, J. A., & Bao, Z. (2012) · Chemistry of Materials · doi:10.1021/cm203216m · Cited by 580
PEDOT Nanocrystal in Highly Conductive PEDOT:PSS Polymer Films
Takano, T., Masunaga, H., Fujiwara, A., Okuzaki, H., & Sasaki, T. (2012) · Macromolecules · doi:10.1021/ma300120g · Cited by 426
Kim, M., Lee, C., & Jang, J. (2014) · Advanced Functional Materials · doi:10.1002/adfm.201303282 · Cited by 420
Metadata
- Authors
- Kim, Y. H., Sachse, C., Machala, M. L., May, C., Müller‐Meskamp, L., & Leo, K.
- Venue
- Advanced Functional Materials
- Publisher
- Wiley
- Published
- 2011-02-15
- Volume
- 21
- Issue
- 6
- Pages
- 1076-1081
- ISSN
- 1616-301X (ISSN-L)
- 1616-3028
- OpenAlex
- W2037067852
- Cited by
- 1,458
- References
- 0
- FWCI
- 57.04
- Type
- journal article
- Language
- en
- Open access
- closed
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- Kim, Y. H., Sachse, C., Machala, M. L., May, C., Müller‐Meskamp, L., & Leo, K. (2011). Highly Conductive PEDOT:PSS Electrode with Optimized Solvent and Thermal Post‐Treatment for ITO‐Free Organic Solar Cells. Advanced Functional Materials. https://doi.org/10.1002/adfm.201002290
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