The effect of axial and helical chirality on circularly polarized luminescence: lessons learned from tethered twistacenes

The effect of axial and helical twisting on the circularly polarized luminescence of acenes was studied both experimentally and computationally, using four series of tethered twisted acenes. We find that the combination of axial and helical chirality yields the highest anisotropy factors, and that t...

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Bibliographic Details
Published in:Chemical communications (Cambridge, England) England), 2023-02, Vol.59 (14), p.211-214
Main Authors: Bedi, Anjan, Schwartz, Gal, Hananel, Uri, Manor Armon, Amit, Shioukhi, Israa, Markovich, Gil, Gidron, Ori
Format: Article
Language:English
Subjects:
Anisotropy
Chirality
Circular polarization
Luminescence
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Summary:The effect of axial and helical twisting on the circularly polarized luminescence of acenes was studied both experimentally and computationally, using four series of tethered twisted acenes. We find that the combination of axial and helical chirality yields the highest anisotropy factors, and that the ratio between the absorption and emission anisotropy factors is an intrinsic property for twistacenes. The effect of axial and helical twisting on the circularly polarized luminescence of acenes was studied both experimentally and computationally, using four series of tethered twisted acenes.
ISSN:1359-7345
1364-548X
DOI:10.1039/d2cc07074j