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Role of the charge transfer state in the electronic absorption of protonated hydrocarbon molecules

Abstract : The vibrationally resolved electronic spectra of isolated protonated polycyclic aromatic hydrocarbons - naphthalene, anthracene, tetracene - have been recorded via neutral photofragment spectroscopy. The S1←S0 transitions are all in the visible region and do not show a monotonic red shift as a function of the molecular size as observed for the neutral analogues. Comparison with ab initio calculations indicates that this behaviour is due to the nature of the excited state, which has a pronounced charge transfer character for protonated linear PAH with an even number of aromatic rings
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https://hal.inria.fr/inria-00505242
Contributor : Christophe Jouvet Connect in order to contact the contributor
Submitted on : Friday, July 23, 2010 - 10:01:47 AM
Last modification on : Wednesday, June 15, 2022 - 3:47:57 AM
Long-term archiving on: : Monday, October 25, 2010 - 12:12:37 PM

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  • HAL Id : inria-00505242, version 1

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Ivan Alata, Claude Dedonder, Michel Broquier, Ernesto Marceca, Christophe Jouvet. Role of the charge transfer state in the electronic absorption of protonated hydrocarbon molecules. 2010. ⟨inria-00505242⟩

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