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Linker Effect in PEDOT/Quinone Organic Battery Materials
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Nanotechnology and Functional Materials.ORCID iD: 0000-0002-0036-9911
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Nanotechnology and Functional Materials.
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Nanotechnology and Functional Materials.
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Chemistry - BMC.
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2016 (English)Conference paper, Poster (Other academic)
Abstract [en]

One way to ensure sustainable electrical energy storage is to use organic materials. Organic materials can be made from renewable resources and thus the use of limited resources needed for inorganic materials is avoided. Conducting redox polymers (CRPs) are one type of organic material that can be used in e.g. batteries. CRPs consist of a conducting polymer backbone, a redox active pendant group, and a linker connecting the pendant group to the polymer. The present work focuses on the well-studied conducting polymer poly(3,4-ethylenedioxythiophene) (PEDOT) with quinone pendant groups in water based systems. Quinones constitute a class of redox active molecules used in nature e.g. for electron transport in photosynthesis and in respiration. Although the third unit, the linker, is a passive part in the system it can greatly impact the behavior of the resulting CRP. In this report we present scan rate dependent voltammetric data as well as EQCM and in-situ conductance on two CRPs differing only by two CH2 groups in the linker. Figure 1 shows molecular structure, CV, and EQCM data of I and II indicating the significant influence that the minor difference in the linking unit has on the redox chemistry in these systems.

Place, publisher, year, edition, pages
2016.
Keyword [en]
quinone conducting redox polymer PEDOT linker
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:uu:diva-298111OAI: oai:DiVA.org:uu-298111DiVA: diva2:967632
Conference
67th Annual Meeting of the International Society of Electrochemistry
Available from: 2016-06-29 Created: 2016-06-29 Last updated: 2016-09-09

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Sterby, MiaEmanuelsson, RikardStrømme, MariaSjödin, Martin
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Nanotechnology and Functional MaterialsDepartment of Chemistry - BMC
Engineering and Technology

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