ArticleScientific reports2024
Annealing temperature-dependent induced supramolecular chiroptical response of copolymer thin films studied by pump-modulated transient circular dichroism spectroscopy.
Article in Scientific reports, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Harnessing Poly(9,9-dialkylfluorene-alt-benzothiadiazole) for Circularly Polarized Electroluminescence: Advances and Perspectives.Materials (Basel, Switzerland) · 2026Review
- Chirality in nanomaterials.Scientific reports · 2024Article
- Time-Resolved Circular Dichroism in Molecules: Experimental and Theoretical Advances.Molecules (Basel, Switzerland) · 2024Review
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Authors and funding
8 authors.
Funding
Abstract
Copolymer thin films showing induced supramolecular chirality are of considerable interest for optoelectronic applications such as organic light-emitting diodes. Here, we introduce a new helicene-like chiral additive with two octyloxy substituents which displays excellent chiral induction properties in an achiral polyfluorene copolymer, leading to a circular dichroism (CD) response of up to 10,000 mdeg. This chiral inducer also displays very good thermal stability, which enables us to perform an extended study on the induced chiroptical properties of the cholesteric copolymer thin films annealed at different temperatures in the range 140-260 °C. Starting from about 180 °C, a distinct change in the morphology of the CD-active film is observed by CD microscopy, from micrometre-size granular to extended CD-active regions, where the latter ones display skewed distributions of the dissymmetry parameter g
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Registered trials
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