ArticleChemphyschem : a European journal of chemical physics and physical chemistry2025
Trivalent Rare Earth Adsorption at Phosphonic Acid Monolayers.
Article in Chemphyschem : a European journal of chemical physics and physical chemistry, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Ion-Specific Effects of Alkaline Earth Metal Ion Binding to an Anionic Carboxylate Monolayer.Langmuir : the ACS journal of surfaces and colloids · 2026Article
- Trivalent Rare Earth Adsorption at Phosphonic Acid Monolayers.Chemphyschem : a European journal of chemical physics and physical chemistry · 2025Article
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Authors and funding
2 authors.
Funding
Abstract
The increasing need for rare earth separations requires a detailed understanding of trivalent ion behavior at charged aqueous interfaces. Here, neodymium (Nd) adsorption on Langmuir monolayers of octadecylphosphonic acid (ODPA), a single-chain phosphonic acid capable of double deprotonation, at the air/water interface, is investigated. Combining sum frequency generation (SFG) spectroscopy with X-ray fluorescence near total reflection (XFNTR), both the interfacial water ordering and ion density are examined. Under ambient conditions, Nd ions induce enhanced deprotonation of ODPA headgroups, leading to interfacial ion densities as high as 1 Nd per 30 Å
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