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|a 10.1002/adma.202405094
|2 doi
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|a pubmed24n1563.xml
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|a (DE-627)NLM375853715
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|a (NLM)39097951
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|a DE-627
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|c DE-627
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|a eng
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|a Adilbekova, Begimai
|e verfasserin
|4 aut
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|a Enhancing the Electrical Conductivity and Long-Term Stability of PEDOT:PSS Electrodes through Sequential Treatment with Nitric Acid and Cesium Chloride
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|c 2024
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Revised 10.10.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2024 The Author(s). Advanced Materials published by Wiley‐VCH GmbH.
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|a Solution-processable poly(3,4-ethylenedioxythiophene):poly(styrene sulfonate) (PEDOT:PSS) is an important polymeric conductor used extensively in organic flexible, wearable, and stretchable optoelectronics. However, further enhancing its conductivity and long-term stability while maintaining its superb mechanical properties remains challenging. Here, a novel post-treatment approach to enhance the electrical properties and stability of sub-20-nm-thin PEDOT:PSS films processed from solution is introduced. The approach involves a sequential post-treatment with HNO3 and CsCl, resulting in a remarkable enhancement of the electrical conductivity of PEDOT:PSS films to over 5500 S cm-1, along with improved carrier mobility. The post-treated films exhibit remarkable air stability, retaining over 85% of their initial conductivity even after 270 days of storage. Various characterization techniques, including X-ray photoelectron spectroscopy, atomic force microscopy, Raman spectroscopy, Hall effect measurements, and grazing incidence wide angle X-ray scattering, coupled with density functional theory calculations, provide insights into the structural changes and interactions responsible for these improvements. To demonstrate the potential for practical applications, the ultrathin PEDOT:PSS films are connected to an inorganic light-emitting diode with a battery, showcasing their suitability as transparent electrodes. This work presents a promising approach for enhancing the electrical conductivity of PEDOT:PSS while offering a comprehensive understanding of the underlying mechanisms that can guide further advances
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|a Journal Article
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|a CsCl
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|a HNO3
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|a PEDOT:PSS
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|a post‐treatment
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|a printed electronics
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|a transparent electrodes
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|a Scaccabarozzi, Alberto D
|e verfasserin
|4 aut
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|a Faber, Hendrik
|e verfasserin
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|a Nugraha, Mohamad Insan
|e verfasserin
|4 aut
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|a Bruevich, Vladimir
|e verfasserin
|4 aut
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|a Kaltsas, Dimitris
|e verfasserin
|4 aut
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|a Naphade, Dipti R
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|a Wehbe, Nimer
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|a Emwas, Abdul-Hamid
|e verfasserin
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|a Alshareef, Husam N
|e verfasserin
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|a Podzorov, Vitaly
|e verfasserin
|4 aut
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|a Martín, Jaime
|e verfasserin
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|a Tsetseris, Leonidas
|e verfasserin
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|a Anthopoulos, Thomas D
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 36(2024), 41 vom: 09. Okt., Seite e2405094
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:36
|g year:2024
|g number:41
|g day:09
|g month:10
|g pages:e2405094
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|u http://dx.doi.org/10.1002/adma.202405094
|3 Volltext
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