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February 22, 2026Advanced Electronic Materials0 citationsOpen Access

Impact of Glycol Side Chains and Backbone Elongation on Polarons in DPP Polymers

Polarons in DPP Polymers – How Glycol Side Chains and Elongated Conjugated Backbone Influence the Formation and Transport

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Authors

KSKatherine StewartImperial College LondonETEmile TanQueen Mary University of LondonJKJingwan KimEwha Womans University

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Overview

Investigations reveal enhanced polaron formation and charge transport in glycolated DPP polymers, indicating improved solid-state applications.

Key Points

  • This research aims to understand how glycol side chains and elongated conjugated backbones influence polaron formation and transport in DPP-based polymers.
  • Investigated DPP-based polymers with tailored glycol side chains.
  • Conducted electrochemical doping with a semicrystalline solid-state ionic liquid.
  • Utilized in situ field-dependent Raman spectroscopy to probe polaron formation.
  • Glycol side chains enhance p-type character and charge carrier density.
  • Backbone elongation improves planarity and mobility of the polymers.
  • Conductivity increased by four orders of magnitude through electrochemical doping.
  • Glycolation leads to increased π-electron redistribution and more localized polarons.

Cite This Study

Stewart et al. (2026) studied this question.

synapsesocial.com/papers/699a9d8e482488d673cd37c0https://doi.org/10.1002/aelm.202500731
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