Addressing charge-transfer and locally-excited states in a twisted biphenyl push-pull chromophore.

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ID: 19603
2019
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Ranked #20 of 22 articles by views in Chemphyschem : a European journal of chemical physics and physical chemistry

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Abstract
We present the synthesis and spectroscopic characterization of a twisted push-pull biphenyl molecule undergoing photoinduced electron transfer. Steady-state and transient absorption spectra suggest, in this rigid molecular structure, a subtle interplay between locally-excited and charge-transfer states, whose equilibrium and dynamics is only driven by solvation. A theoretical model is presented for the solvation dynamics and, with the support of quantum chemical calculations, we demonstrate the existence of two sets of states, having either local or charge-transfer character, that only "communicate" thanks to solvation, which is the sole driving force for the charge-separation process.
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campioli2019addressingchemphyschem Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Campioli, Elisa;Sanyal, Somananda;Marcelli, Agnese;Di Donato, Mariangela;Blanchard-Desce, Mireille;Mongin, Olivier;Painelli, Anna;Terenziani, Francesca;
Journal Chemphyschem : a European journal of chemical physics and physical chemistry
Year 2019
DOI
10.1002/cphc.201900703
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