Excited‐State Proton Transfer Dynamics of a Super‐Photoacid in Acetone‐Water Mixtures

URN to cite this document:: urn:nbn:de:bvb:355-epub-526502
DOI to cite this document:: 10.5283/epub.52650

Sülzner, Niklas ; Geissler, Bastian ; Grandjean, Alexander

; Jung, Gregor ; Nuernberger, Patrick

License: Creative Commons Attribution Non-commercial No Derivatives 4.0
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Date of publication of this fulltext: 26 Jul 2022 09:30

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Abstract

Super-photoacids, that is, photoacids with a negative pK(a) value in the electronically excited state, can trigger an excited-state proton transfer (ESPT) to the solvent. For the neutral pyranine-derived super-photoacid studied here, even indications for ESPT in acetoneous solution are reported. The characteristics of ESPT in this environment, that is, which intermediates exist and what the ...