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February 21, 2026FlexMat.Open Access

Strengthened inter‐chain π–π contacts in amorphous diketopyrrolopyrrole polymers for robust flexible organic thin‐film transistors

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Authors

JSJing ShiSZShihong ZhouTCTianwen Chen

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Overview

Flexible organic thin-film transistors improve charge transport and mechanical flexibility in polymers, implying significant potential for future electronics.

Key Points

  • This research aims to improve the mechanical flexibility and charge transport of flexible organic transistors using diketopyrrolopyrrole polymers.
  • Synthesis of polymers via halogen-free Knoevenagel condensation
  • Grazing-incidence wide-angle X-ray scattering analyses to assess film morphology
  • Fabrication of top-gate/bottom-contact organic thin-film transistors
  • Enhanced hole mobilities reaching 1.203 cm²/V·s for PDPPVTT, exceeding amorphous silicon benchmarks
  • Devices maintained over 94% initial mobility under 2.5 mm bending radii
  • Approximately 90% of performance preserved after 1000 bending cycles

Cite This Study

Shi et al. (2026) studied this question.

synapsesocial.com/papers/69994c4b873532290d020ab1https://doi.org/10.1002/flm2.70043
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