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Circular selective reflection of light proving cholesteric ordering in thin layers of chiral fluorene polymers

By G Girish Lakhwani and SCJ Stefan Meskers

Abstract

Thermally annealed and aligned thin films of polyfluorene and two other chiral fluorene copolymers preferentially reflect left-circular-polarized light with wavelengths just below the onset of the lowest-allowed p–p* optical transition. This provides evidence for a left-handed cholesteric arrangement of the polymer chains in the film

Publisher: 'American Chemical Society (ACS)'
Year: 2011
DOI identifier: 10.1021/jz200500a
OAI identifier: oai:library.tue.nl:717199
Provided by: Repository TU/e
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