An alcohol-dispersed conducting polymer complex for fully printable organic solar cells with improved stability

Jiang Y, Dong X, Sun L, Liu T, Qin F, Xie C, Jiang P, Hu L, Lu X, Zhou X, Meng W, Li N, Brabec C, Zhou Y (2022)

Publication Type: Journal article

Publication year: 2022

Journal

Nature Energy Nature Publishing Group

DOI: 10.1038/s41560-022-00997-9

Abstract

Efficient and stable organic solar cells via full coating are highly desirable. Poly(3,4-ethylenedioxythiophene):polystyrene sulfonate (PEDOT:PSS) is a classic conducting polymer complex and widely used for hole collection in fully printable devices. However, PEDOT:PSS is typically dispersed in water and exhibits strong acidity that deteriorates device efficiency and stability. Here we report an alcohol-dispersed formulation (denoted as PEDOT:F) by adopting perfluorinated sulfonic acid ionomers as counterions. The ionomers have a special advantage of having two solubility parameters and can be dispersed in water or alcohols, which enables us to prepare PEDOT:F formulations dispersed in alcohols. The alcohol-dispersed formulation has good wetting properties and low acidity, which avoids the drawbacks of aqueous PEDOT:PSS. Fully printable organic photovoltaics (from bottom electrode to top electrode) based on PEDOT:F were obtained with a power conversion efficiency of 15% and could retain 83% of the initial efficiency under continuous illumination at maximum power point tracking for 1,330 h.

Authors with CRIS profile

Wei Meng Institute Materials for Electronics and Energy Technology (i-MEET) Ning Li Institute Materials for Electronics and Energy Technology (i-MEET) Christoph Brabec Institute Materials for Electronics and Energy Technology (i-MEET)

Involved external institutions

Wuhan National Laboratory for Optoelectronics CN China (CN)

How to cite

APA:

Jiang, Y., Dong, X., Sun, L., Liu, T., Qin, F., Xie, C.,... Zhou, Y. (2022). An alcohol-dispersed conducting polymer complex for fully printable organic solar cells with improved stability. Nature Energy. https://doi.org/10.1038/s41560-022-00997-9

MLA:

Jiang, Youyu, et al. "An alcohol-dispersed conducting polymer complex for fully printable organic solar cells with improved stability." Nature Energy (2022).

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