CHIRAL ORGANIC OPTOELECTRONIC MOLECULES WITH TUNABLE REFRACTIVE INDEX FOR IMPROVED CONTROL OF CIRCULARLY POLARIZED LIGHT PROPAGATION IN OPTICAL DEVICES
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United States of America Patent
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May 9, 2024
app pub date -
Jul 20, 2023
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Oct 25, 2022
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Abstract
A method includes forming a layer of molecular feedstock over a surface of a substrate, the molecular feedstock including a chiral molecule, forming crystal nuclei from the molecular feedstock within a nucleation region of the layer, and growing the crystal nuclei to form an organic solid crystal (OSC) thin film. A chiral molecule-containing organic solid crystal thin film may have a refractive index and birefringence that can be actively tuned via charge injection. An organic solid crystal (OSC) thin film including a single enantiomer of a chiral organic molecule may be configured to propagate a selected handedness of circularly polarized light.
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