Print Email Facebook Twitter Measuring surface charge Title Measuring surface charge: Why experimental characterization and molecular modeling should be coupled Author Hartkamp, Remco (TU Delft Process and Energy) Biance, Anne-Laure (Université de Lyon) Fu, Li (Université de Lyon) Dufrêche, Jean François (CEA-CNRS-ENSCM-Université Montpellier) Bonhomme, Oriane (Université de Lyon) Joly, Laurent (Université de Lyon) Department Process and Energy Date 2018 Abstract Surface charge controls many static and dynamic properties of soft matter and micro/nanofluidic systems, but its unambiguous measurement forms a challenge. Standard characterization methods typically probe an effective surface charge, which provides limited insight into the distribution and dynamics of charge across the interface, and which cannot predict consistently all surface-charge-governed properties. New experimental approaches provide local information on both structure and transport, but models are typically required to interpret raw data. Conversely, molecular dynamics simulations have helped showing the limits of standard models and developing more accurate ones, but their reliability is limited by the empirical interaction potentials they are usually based on. This review highlights recent developments and limitations in both experimental and computational research focusing on the liquid-solid interface. Based on recent studies, we make the case that coupling of experiments and simulations is pivotal to mitigate methodological shortcomings and address open problems pertaining to charged interfaces. Subject Surface chargeElectrical double layerZeta potentialElectrokineticsScanning probe microscopySpectroscopyMolecular dynamicAb initio methods To reference this document use: http://resolver.tudelft.nl/uuid:571b0dcf-6e8e-4ff6-8096-df95c9e51f3d DOI https://doi.org/10.1016/j.cocis.2018.08.001 Embargo date 2019-02-23 ISSN 1359-0294 Source Current Opinion in Colloid & Interface Science, 37, 101-114 Bibliographical note Green Open Access added to TU Delft Institutional Repository ‘You share, we take care!’ – Taverne project https://www.openaccess.nl/en/you-share-we-take-care Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public. Part of collection Institutional Repository Document type journal article Rights © 2018 Remco Hartkamp, Anne-Laure Biance, Li Fu, Jean François Dufrêche, Oriane Bonhomme, Laurent Joly Files PDF 1_s2.0_S1359029418300050_main.pdf 1.31 MB Close viewer /islandora/object/uuid:571b0dcf-6e8e-4ff6-8096-df95c9e51f3d/datastream/OBJ/view