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June 13, 2026Open Access

Spectroscopic investigations of light-emitting thin-film materials with intrinsic or induced supramolecular chirality

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Authors

MMMarius Morgenroth

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Overview

Cumulative doctoral thesis investigates the dynamics of chiral polymer films, indicating potential for advanced OLEDs.

Key Points

  • The aim is to explore the photophysical processes and dynamics of chiral polymer-based thin films upon photoexcitation.
  • Utilized advanced optical spectroscopy and microscopy techniques for structural and dynamic investigations.
  • Conducted experiments on polymer blends with intrinsic and induced chirality to measure circular dichroism and luminescence.
  • Employed time-correlated single photon counting and transient absorption measurements for detailed analysis.
  • Achieved significant chiral induction in blends, with CD values up to 9000 mdeg and luminescence characteristics observed in various composite films.
  • Identified a fast depopulation of the S1 state (< 50 ps) and demonstrated triplet formation with 20% quantum yield in methylene-bridged polymers.
  • Discovered unique excitation dynamics in the mCP:PMMA blends, revealing complex energy transfer mechanisms leading to varied emission behavior.

Cite This Study

Marius Morgenroth (2025) studied this question.

synapsesocial.com/papers/6a2cf45afaef96ed7f056a25https://doi.org/10.25819/ubsi/10948
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