The Interfacial Assembly of Polyoxometalate Nanoparticle Surfactants
Journal Article
·
· Nano Letters
- Univ. of Massachusetts, Amherst, MA (United States); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
- South China Univ. of Technology, Guangzhou (China)
- Univ. of Massachusetts, Amherst, MA (United States); Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States); Beijing Univ. of Chemical Technology, Beijing (China)
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. Furthermore, 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.
- Research Organization:
- Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
- Grant/Contract Number:
- AC05-00OR22725
- OSTI ID:
- 1461058
- Journal Information:
- Nano Letters, Journal Name: Nano Letters Journal Issue: 4 Vol. 18; ISSN 1530-6984
- Publisher:
- American Chemical SocietyCopyright Statement
- Country of Publication:
- United States
- Language:
- English
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