Excited-state proton transfer in gas-expanded liquids: the roles of pressure and composition in supercritical CO2/methanol mixtures |
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| Authors: | Nunes Rui M D Arnaut Luis G Solntsev Kyril M Tolbert Laren M Formosinho Sebastião J |
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| Institution: | Department of Chemistry, University of Coimbra, 3000 Coimbra, Portugal. |
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| Abstract: | Excited-state proton transfer from 5,8-dicyano-2-naphthol to methanol takes place in CO2/methanol mixtures, in the pressure and temperature ranges of supercritical CO2. The efficiency of the proton-transfer step decreases with the pressure. This is assigned to the perturbation of the methanol clusters solvating the naphthol. |
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