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PEDOT:PSS Films with Metallic Conductivity through a Treatment with Common Organic Solutions of Organic Salts and Their Application as a Transparent Electrode of Polymer Solar Cells
Abstract
UNLABELLED: A transparent electrode is an indispensable component of optoelectronic devices, and there as been a search for substitutes of indium tin oxide (ITO) as the transparent electrode. Poly(3,4-ethylene dioxythiophene):poly(styrenesulfonate) ( PEDOT: PSS) is a conducting polymer that is very promising as the next generation of materials for the transparent electrode if it can obtain conductivity as high as that of ITO. Here, we report the treatment of PEDOT: PSS with organic solutions to significantly enhance its conductivity. Common organic solvents like dimethylformamide and γ-butyrolactone and common organic salts like methylammonium iodide and methylammonium bromide are used for the organic solutions. The conductivity of pristine PEDOT: PSS films is only ∼0.2 S/cm, and it can be increased to higher than 2100 S/cm. The conductivity enhancement is much more significant than control treatments of PEDOT: PSS films with neat organic solvents or aqueous solutions of the organic salts. The mechanism for the conductivity enhancement is the synergetic effects of both the organic salts and organic solvents on the microstructure and composition of PEDOT: PSS. They induce the segregation of some PSSH chains from PEDOT: PSS. Highly conductive PEDOT: PSS films were studied as the transparent electrode of polymer solar cells. The photovoltaic efficiency is comparable to that with an ITO transparent electrode.
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Cites
Silver nanowire-polymer composite electrodes for efficient polymer solar cells
Yu, Z., Li, L., Zhang, Q., Hu, W., & Pei, Q. (2011) · Advanced Materials · doi:10.1002/adma.201101992 · Cited by 352
Cited by
Materials and structural designs of stretchable conductors
Matsuhisa, N., Chen, X., Bao, Z., & Someya, T. (2019) · Chemical Society Reviews · doi:10.1039/c8cs00814k · Cited by 566
Thermoelectric Properties of PEDOT:PSS
Fan, Z., & Ouyang, J. (2019) · Advanced Electronic Materials · doi:10.1002/aelm.201800769 · Cited by 448
Self-citationSolution-Processed Transparent Electrodes for Emerging Thin-Film Solar Cells
Zhang, Y., Ng, S.-W., Lu, X., & Zheng, Z. (2020) · Chemical Reviews · doi:10.1021/acs.chemrev.9b00483 · Cited by 264
Elastic conducting polymer composites in thermoelectric modules
Kim, N., Lienemann, S., Petsagkourakis, I., Alemu Mengistie, D., Kee, S., Ederth, T., Gueskine, V., Leclère, P., Lazzaroni, R., Crispin, X., et al. (2020) · Nature Communications · doi:10.1038/s41467-020-15135-w · Cited by 258
Metadata
- Authors
- Yu, Z., Xia, Y., Du, D., & Ouyang, J.
- Venue
- ACS Applied Materials & Interfaces
- Publisher
- American Chemical Society (ACS)
- Published
- 2016-05-02
- Volume
- 8
- Issue
- 18
- Pages
- 11629-11638
- ISSN
- 1944-8244 (ISSN-L)
- 1944-8252
- OpenAlex
- W2343916175
- Cited by
- 237
- References
- 1
- FWCI
- 20.54
- Type
- journal article
- Language
- en
- Open access
- closed
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