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Open AccessReview

Research Progress on Polymer Solar Cells Based on PEDOT:PSS Electrodes

China-Australia Institute for Advanced Materials and Manufacturing (IAMM), Jiaxing University, Jiaxing 314001, China
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Polymers 2020, 12(1), 145; https://doi.org/10.3390/polym12010145
Received: 17 November 2019 / Revised: 11 December 2019 / Accepted: 17 December 2019 / Published: 7 January 2020
(This article belongs to the Special Issue Polymer-Based Solar Cells)
Solution-processed polymer solar cells (PSCs) have attracted dramatically increasing attention over the past few decades owing to their advantages of low cost, solution processability, light weight, and excellent flexibility. Recent progress in materials synthesis and devices engineering has boosted the power conversion efficiency (PCE) of single-junction PSCs over 17%. As an emerging technology, it is still a challenge to prepare solution-processed flexible electrodes for attractive flexible PSCs. Poly(3,4-ethylenedioxythiophene): poly(styrenesulfonate) (PEDOT:PSS) is one of the most promising candidates for electrodes due to its high conductivity (>4000 S/cm), excellent transmittance (>90%), intrinsically high work function (WF > 5.0 eV), and aqueous solution processability. To date, a great number of single-junction PSCs based on PEDOT:PSS electrodes have realized a PCE over 12%. In this review, we introduce the current research on the conductive complex PEDOT:PSS as well as trace the development of PEDOT:PSS used in electrodes for high performance PSCs and perovskite solar cells. We also discuss and comment on the aspects of conductivity, transmittance, work-function adjustment, film preparing methods, and device fabrications. A perspective on the challenges and future directions in this field is be offered finally. View Full-Text
Keywords: polymer solar cells; flexible electrodes; PEDOT:PSS; electrical conductivity polymer solar cells; flexible electrodes; PEDOT:PSS; electrical conductivity
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Hu, L.; Song, J.; Yin, X.; Su, Z.; Li, Z. Research Progress on Polymer Solar Cells Based on PEDOT:PSS Electrodes. Polymers 2020, 12, 145.

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