多金属氧酸盐纳米粒子表面活性剂的界面组装。
The Interfacial Assembly of Polyoxometalate Nanoparticle Surfactants.
机构信息
Polymer Science and Engineering Department , University of Massachusetts , 120 Governors Drive , Conte Center for Polymer Research, Amherst , Massachusetts 01003 , United States.
South China Advanced Institute for Soft Matter Science and Technology , South China University of Technology , Guangzhou 510640 , China.
出版信息
Nano Lett. 2018 Apr 11;18(4):2525-2529. doi: 10.1021/acs.nanolett.8b00208. Epub 2018 Mar 26.
Polyoxometalates (POMs) using {MoV} as an example, dissolved in water, can interact with amine-terminated polydimethylsiloxane (PDMS-NH) 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.
多金属氧酸盐（POMs）以 {MoV} 为例，溶于水中，可以与溶于甲苯的端氨基聚二甲基硅氧烷（PDMS-NH）在水/甲苯界面相互作用，形成显著降低界面张力的 POM-表面活性剂，并可通过界面弹性来稳定液体。随着界面面积的减小，POM-表面活性剂在油水界面的堵塞会导致褶皱的产生。通过添加具有不同水合半径的阳离子来改变屏蔽强度，可以调节界面处 POM-表面活性剂的堆积密度。
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