Photoinduced Charge Separation in a Donor-Spacer-Acceptor Dyad with N-Annulated Perylene Donor and Methylviologen Acceptor

Chemphyschem : a European Journal of Chemical Physics and Physical Chemistry
Marie-Pierre SantoniSebastiano Campagna

Abstract

The first donor-acceptor species in which a strongly emissive N-annulated perylene dye is connected to a methylviologen electron acceptor unit via its macrocyclic nitrogen atom, is prepared by a stepwise, modular procedure. The absorption spectra, redox behavior, spectroelectrochemistry and photophysical properties of this dyad and of its model species are investigated, also by pump-probe fs transient absorption spectroscopy. Photoinduced oxidative electron transfer from the excited state of the dyad, centered on the N-annulated perylene subunit, to the appended methyviologen electron acceptor takes place in a few ps. The charge-separated species recombines in 19 ps. Our results indicate that N-annulated perylene can be connected to functional units by taking advantage of the macrocyclic nitrogen, an option never used until now, without losing their properties, so opening the way to new designing approaches.

References

Feb 2, 2002·Chemistry : a European Journal·Reiner LomothLeif Hammarström
Oct 29, 2003·Current Opinion in Chemical Biology·John V Frangioni
Mar 12, 2010·Journal of the American Chemical Society·Yan LiZhaohui Wang
Aug 16, 2013·Chemphyschem : a European Journal of Chemical Physics and Physical Chemistry·Denis FrathRaymond Ziessel
Feb 20, 2015·Chemical Communications : Chem Comm·Liu YangZhaohui Wang
Mar 6, 2015·Journal of the American Chemical Society·Zhaoyang YaoPeng Wang

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Citations

Jan 14, 2020·Photochemical & Photobiological Sciences : Official Journal of the European Photochemistry Association and the European Society for Photobiology·Emanuela TrovatoSebastiano Campagna

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