Stretchable and Transparent Conductive PEDOT:PSS-Based Electrodes for Organic Photovoltaics and Strain Sensors Applications
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ArticleAuthors
Dauzon, EmilieLin, Yuanbao
Faber, Hendrik

Yengel, Emre

Sallenave, Xavier
Plesse, Cedric
Goubard, Fabrice
Amassian, Aram
Anthopoulos, Thomas D.

KAUST Department
KAUST Solar Center (KSC)King Abdullah University of Science and Technology (KAUST) KAUST Solar Centre Thuwal 23955-6900 Saudi Arabia
Material Science and Engineering
Material Science and Engineering Program
Physical Science and Engineering (PSE) Division
KAUST Grant Number
OSR-2018-CARF/CCF-3079Date
2020-05-25Online Publication Date
2020-05-25Print Publication Date
2020-07Embargo End Date
2021-05-25Submitted Date
2020-02-10Permanent link to this record
http://hdl.handle.net/10754/662947
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The development of transparent, conducting, and stretchable poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS)-based electrodes using a combination of a polyethylene oxide (PEO) polymer network and the surfactant Zonyl is reported. The latter improves the ductility of PEDOT:PSS and enables its deposition on hydrophobic surfaces such as polydimethylsiloxane (PDMS) elastomers, while the presence of a 3D matrix offers high electrical conductivity, elasticity, and mechanical recoverability. The resulting electrode exhibits attractive properties such as high electrical conductivity of up to 1230 S cm−1 while maintaining high transparency of 95% at 550 nm. The potential of the electrode technology is demonstrated in indium-tin-oxide (ITO)-free solar cells using the PBDB-T-2F:IT-4F blend with a power conversion efficiency of 12.5%. The impact of repeated stretch-and-release cycles on the electrical resistance is also examined in the effort to evaluate the properties of the electrodes. The interpenetrated morphology of the PEDOT:PSS and polyethylene oxide network is found to exhibit beneficial synergetic effects resulting in excellent mechanical stretchability and high electrical conductivity. By carefully tuning the amount of additives, the ability to detect small changes in electrical resistance as a function of mechanical deformation is demonstrated, which enables the demonstration of stretchable and resilient on-skin strain sensors capable of detecting small motions of the finger.Citation
Dauzon, E., Lin, Y., Faber, H., Yengel, E., Sallenave, X., Plesse, C., … Anthopoulos, T. D. (2020). Stretchable and Transparent Conductive PEDOT:PSS-Based Electrodes for Organic Photovoltaics and Strain Sensors Applications. Advanced Functional Materials, 2001251. doi:10.1002/adfm.202001251Sponsors
he authors acknowledge King Abdullah University of Science and Technology (KAUST) for financial support. This publication is based upon work supported by the King Abdullah University of Science and Technology (KAUST) Office of Sponsored Research (OSR) under Award No: OSR-2018-CARF/CCF-3079.Publisher
WileyJournal
Advanced Functional MaterialsAdditional Links
https://onlinelibrary.wiley.com/doi/abs/10.1002/adfm.202001251ae974a485f413a2113503eed53cd6c53
10.1002/adfm.202001251