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Updated: Feb 13, 2026

Liquid-cell Transmission Electron Microscopy for Tracking Self-assembly of Nanoparticles
Published on: October 16, 2017
The Interfacial Assembly of Polyoxometalate Nanoparticle Surfactants
Caili Huang1, Yu Chai, Yufeng Jiang
1Polymer Science and Engineering Department , University of Massachusetts , 120 Governors Drive , Conte Center for Polymer Research, Amherst , Massachusetts 01003 , United States.
Abstract:
Polyoxometalates (POMs) using {Mo72V30} as an example, dissolved in water, can interact with amine-terminated polydimethylsiloxane (PDMS-NH2) dissolved in toluene at the water/toluene interface to form POM-surfactants that significantly lower the interfacial tension and can be used to stabilize liquids via interfacial elasticity. The jamming of the POM-surfactants at the water/oil interface with consequent wrinkling occurs with a decrease in the interfacial area. The packing density of the POM-surfactants at the interface can be tuned by varying the strength of screening with the addition of cations with differing hydrated radii.
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