Please use this identifier to cite or link to this item: http://hdl.handle.net/10316/8276
DC FieldValueLanguage
dc.contributor.authorSerpa, Carlos-
dc.contributor.authorGomes, Paulo J. S.-
dc.contributor.authorArnaut, Luis G.-
dc.contributor.authorFormosinho, Sebastião J.-
dc.contributor.authorPina, João-
dc.contributor.authorMelo, J. Seixas de-
dc.date.accessioned2009-02-09T14:31:35Z-
dc.date.available2009-02-09T14:31:35Z-
dc.date.issued2006en_US
dc.identifier.citationChemistry - A European Journal. 12:19 (2006) 5014-5023en_US
dc.identifier.urihttp://hdl.handle.net/10316/8276-
dc.description.abstractCharge-recombination rates in contact radical-ion pairs, formed between aromatic hydrocarbons and nitriles in supercritical CO2 and heptane, decrease with the exothermicity of the reactions until they reach -70 kcal mol-1, but from there on an increase is observed. The first decrease in rate is typical of the ldquoinverted regionrdquo of electron-transfer reactions. The change to an increase in the rate for ultra-exothermic electron transfer indicates a new free-energy relationship. We show that the resulting ldquodouble-inverted regionrdquo is not due to a change in mechanism. It is an intrinsic property of electron-transfer reactions, and it is due to the increase of the reorganisation energy with the reaction exothermicity.en_US
dc.language.isoengeng
dc.rightsopenAccesseng
dc.titleElectron Transfer in Supercritical Carbon Dioxide: Ultraexothermic Charge Recombination at the End of the ldquoInverted Regionrdquoen_US
dc.typearticleen_US
dc.identifier.doi10.1002/chem.200500727en_US
uc.controloAutoridadeSim-
item.languageiso639-1en-
item.fulltextCom Texto completo-
item.grantfulltextopen-
crisitem.author.deptFaculty of Sciences and Technology-
crisitem.author.deptFaculty of Sciences and Technology-
crisitem.author.deptFaculty of Sciences and Technology-
crisitem.author.deptFaculty of Sciences and Technology-
crisitem.author.deptFaculty of Sciences and Technology-
crisitem.author.deptFaculty of Sciences and Technology-
crisitem.author.parentdeptUniversity of Coimbra-
crisitem.author.parentdeptUniversity of Coimbra-
crisitem.author.parentdeptUniversity of Coimbra-
crisitem.author.parentdeptUniversity of Coimbra-
crisitem.author.parentdeptUniversity of Coimbra-
crisitem.author.parentdeptUniversity of Coimbra-
crisitem.author.researchunitCQC - Coimbra Chemistry Centre-
crisitem.author.researchunitCISUC - Centre for Informatics and Systems of the University of Coimbra-
crisitem.author.researchunitCQC - Coimbra Chemistry Centre-
crisitem.author.researchunitCQC - Coimbra Chemistry Centre-
crisitem.author.researchunitCQC - Coimbra Chemistry Centre-
crisitem.author.researchunitCQC - Coimbra Chemistry Centre-
crisitem.author.parentresearchunitFaculty of Sciences and Technology-
crisitem.author.parentresearchunitFaculty of Sciences and Technology-
crisitem.author.parentresearchunitFaculty of Sciences and Technology-
crisitem.author.parentresearchunitFaculty of Sciences and Technology-
crisitem.author.parentresearchunitFaculty of Sciences and Technology-
crisitem.author.parentresearchunitFaculty of Sciences and Technology-
crisitem.author.orcid0000-0001-7004-0110-
crisitem.author.orcid0000-0002-4122-9018-
crisitem.author.orcid0000-0002-3223-4819-
crisitem.author.orcid0000-0001-6607-0026-
crisitem.author.orcid0000-0003-1848-1167-
crisitem.author.orcid0000-0001-9708-5079-
Appears in Collections:FCTUC Química - Artigos em Revistas Internacionais
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