Macromolecular Research

, Volume 27, Issue 1, pp 2–9 | Cite as

Strategies to Improve Electrical and Electronic Properties of PEDOT:PSS for Organic and Perovskite Optoelectronic Devices

  • Su-Hun Jeong
  • Soyeong Ahn
  • Tae-Woo LeeEmail author


Poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS) is the most successful commercialized conducting polymer. PEDOT:PSS is a mixture of two ionomers: positively-charged PEDOT and negatively-charged PSS. PEDOT is a conducting polymer, which has π-π conjugation in its main backbone, and PSS increases charge carrier density in PEDOT by removing electrons from PEDOT during the synthesis process. Many researchers have tried to increase the electrical conductivity, k, of PEDOT:PSS films and applied them to organic and metal halide perovskite optoelectronic devices as transparent electrodes. Recently, the electrical properties of PEDOT:PSS, including k and work function, have been optimized for those optoelectronic devices. Here, we review recent strategies for optimizing the electrical properties of PEDOT:PSS to use them as transparent electrodes.


PEDOT:PSS transparent electrode conductivity work function optoelectronic devices 


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Copyright information

© The Polymer Society of Korea and Springer Nature B.V. 2018

Authors and Affiliations

  1. 1.Department of Materials Science and EngineeringSeoul National UniversitySeoulKorea
  2. 2.Department of Materials Science and EngineeringPohang University of Science and Technology (POSTECH)Pohang, GyeongbukKorea
  3. 3.BK21 PLUS SNU Materials Division for Educating Creative Global LeadersSeoul National UniversitySeoulKorea
  4. 4.Nano Systems Institute (NSI), Institute of Engineering Research, Research Institute of Advanced MaterialsSeoul National UniversitySeoulKorea

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