Exciton coupling chirality in helicene-porphyrin conjugates.

Kais DhbaibiPaola Matozzo Laura AbellaMarion JeanNicolas VanthuyneJochen Autschbach Ludovic Favereau Jeanne Crassous

Published in: Chemical communications (Cambridge, England) (2021)

Enantiopure helicene-porphyrin conjugates were prepared. They show strong changes in their circular dichroic response as compared to classical helicene derivatives, with highly intense bisignate Exciton Coupling (EC) signal and Δε values up to 680 M-1 cm-1 for the Soret band. They also display circularly polarized fluorescence in the (far-)red region, with dissymmetry factors up to 7 × 10-4.

Keyphrases

energy transfer
room temperature
quantum dots
electron transfer
photodynamic therapy
cancer therapy
metal organic framework