Evidence map›Paper›PMID 40928197›Full record

ArticleThe journal of physical chemistry. B2025

Core-Level Photoelectron Angular Distributions from Bulk-Solvated to Surface-Active Aqueous Potassium Carboxylate Salts.

Tamires M Gallo, Kalil Cristhian Figueiredo Toledo, Georgia Michailoudi, Ricardo Dos Reis Teixeira Marinho, Olle Björneholm, Noelle Walsh, Gunnar Öhrwall

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Article in The journal of physical chemistry. B, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

Authors and funding

7 authors.

Tamires M GalloDivision of Synchrotron Radiation Research, Department of Physics, Lund University, P.O. Box 118, SE-221 00 Lund, Sweden.ORCID 0000-0003-3844-0872
Kalil Cristhian Figueiredo ToledoInstitute of Chemistry, University of São Paulo─IQ-USP, Av. Lineu Prestes 748, 05508-000 São Paulo, São Paulo, Brazil.
Georgia MichailoudiNano and Molecular Systems Research Unit, University of Oulu, P.O. Box 3000, FI-90014 Oulu, Finland.ORCID 0000-0003-3086-2093
Ricardo Dos Reis Teixeira MarinhoInstitute of Physics, Brasilia University (UnB), 70.910-900 Brasília, Brazil.ORCID 0000-0001-5854-5589
Olle BjörneholmDepartment of Physics and Astronomy, Uppsala University, P.O. Box 516, SE-75120 Uppsala, Sweden.ORCID 0000-0002-7307-5404
Noelle WalshMAX IV Laboratory, Lund University, P.O. Box 118, SE-22100 Lund, Sweden.
Gunnar ÖhrwallMAX IV Laboratory, Lund University, P.O. Box 118, SE-22100 Lund, Sweden.ORCID 0000-0002-5795-8047

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Photoelectron angular distributions are reported for a series of aqueous potassium carboxylate solutions, ranging from bulk-solvated to strongly surface-active species. The quantitative information determined from this work demonstrates how the measured photoelectron angular distributions are influenced by the ions' increasing propensity for the surface in aqueous solutions. Our study provides insight into the relative depth and location of the carboxylate functional group, which is valuable for investigating the adsorption of organic molecules at liquid-vapor interfaces. This work provides a further demonstration that the liquid microjet technique employed together with the measurement of photoelectron angular distributions presents a promising avenue for determining the electronic and surface properties of solutes in liquid water and at the liquid-vapor interface, information that has potential application in fields such as atmospheric chemistry, biophysics, and materials science.

Identifiers

PMID40928197
PMCPMC12451660

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