ArticleLangmuir : the ACS journal of surfaces and colloids2013
Hexadecylamine adsorption at the iron oxide-oil interface.
Article in Langmuir : the ACS journal of surfaces and colloids, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- A Multi-scale Interfacial Investigation of Organic Friction Modifiers in Hydrocarbon.Tribology letters · 2026Article
- Extracting the Heterogeneous 3D Structure of Molecular Films Using Higher Dimensional SFG Microscopy.The journal of physical chemistry letters · 2024Article
- Neutron Reflectivity in Corrosion Research on Metals.ACS materials Au · 2024Review
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Authors and funding
6 authors.
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Abstract
The adsorption behavior of a model additive, hexadecylamine, onto an iron surface from hexadecane oil has been characterized using polarized neutron reflectometry, sum-frequency generation spectroscopy, solution depletion isotherm, and X-ray photoelectron spectroscopy (XPS). The amine showed a strong affinity for the metal surface, forming a dense monolayer at relatively low concentrations; a layer thickness of 16 (±3) Å at low concentrations, increasing to 20 (±3) Å at greater amine concentrations, was determined from the neutron data. These thicknesses suggest that the molecules in the layer are tilted. Adsorption was also indicated by sum-frequency generation spectroscopy and XPS, the latter indicating that the most dominant amine-surface interaction was via electron donation from the nitrogen lone pair to the positively charged iron ions. Sum-frequency generation spectroscopy was used to determine the alkyl chain conformation order and orientation on the surface.
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