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High-efficiency hybrid solar cells by nanostructural modification in PEDOT:PSS with co-solvent addition
Open accessAbstract
Conducting polymer poly(3,4-ethylenedioxythiophene):polystyrenesulfonate (PEDOT:PSS) is gaining technological importance for the fabrication of organic and organic–inorganic heterostructure devices. The conductivity of PEDOT:PSS can be improved by the addition of co-solvents. Here, we show that the simple addition of a suitable wt% of a co-solvent, either ethylene glycol (EG) or dimethyl sulfoxide (DMSO), in PEDOT:PSS can significantly enhance the performance of hybrid solar cells. We provide a morphological model to explain the influence of the co-solvents in PEDOT:PSS, in which the co-solvent modifies the internal crystalline ordering of individual PEDOT nanocrystals that increases the crystal size and forms closely packed nanocrystals, and it also facilitates rearrangement of PSS that reduces its surface chain networks to enhance the polymer conductivity and hybrid solar cell properties. A hybrid solar cell made of EG 7 wt% modified PEDOT:PSS on planar Si exhibits an exceptionally high power conversion efficiency exceeding 12% for the first time.
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Cited by
Liu, X., Liu, J., Lin, S., & Zhao, X. (2020) · Materials Today · doi:10.1016/j.mattod.2019.12.026 · Cited by 1,023
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
Silk Acid-Mediated Phase Separation of PEDOT:PSS for Biocompatible, Flexible Neural Interfaces
Liang, K., Xia, T., Zhang, F., Jin, R., Ren, S., Xing, L., Wang, S., Dong, S., Zhang, S., Guo, C., et al. (2026) · ACS Applied Bio Materials · doi:10.1021/acsabm.6c01162
Metadata
- Authors
- Thomas, J. P., Zhao, L., McGillivray, D., & Leung, K. T.
- Venue
- Journal of Materials Chemistry A
- Publisher
- Royal Society of Chemistry (RSC)
- Published
- 2014
- Volume
- 2
- Issue
- 7
- Pages
- 2383
- ISSN
- 2050-7488 (ISSN-L)
- 2050-7496
- OpenAlex
- W2158070544
- Cited by
- 248
- References
- 0
- FWCI
- 12.93
- Type
- journal article
- Language
- en
- Open access
- hybrid
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- Thomas, J. P., Zhao, L., McGillivray, D., & Leung, K. T. (2014). High-efficiency hybrid solar cells by nanostructural modification in PEDOT:PSS with co-solvent addition. Journal of Materials Chemistry A. https://doi.org/10.1039/c3ta14590e
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