Assembly of nonionic-anionic co-surfactants to template mesoporous silica vesicles with hierarchical structures
Yang, B., Edler, K., Guo, C. and Liu, H. Z., 2010. Assembly of nonionic-anionic co-surfactants to template mesoporous silica vesicles with hierarchical structures. Microporous and Mesoporous Materials, 131 (1-3), pp. 21-27.
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Mesoporous silica vesicles (MSV) with a hierarchical structure were developed using triblock copolymer Pluronic P103 and anionic surfactant sodium dodecyl sulfate (SDS) as a co-surfactant in the present of an inorganic salt, sodium fluoride (NaF). To some extent, variation in the particle size and vesicle cavity diameter can be achieved by adjusting the anionic-nonionic surfactant molar ratio. An onion-like vesicle morphology was obtained by changing the inorganic salt concentration. Based on the fitting of small angle neutron scattering data, a formation mechanism has been proposed. This work opens up a new way to synthesize mesoporous silica vesicles with controllable hierarchical structure using nonionic surfactant P103 and anionic surfactant SDS.
|Creators||Yang, B., Edler, K., Guo, C. and Liu, H. Z.|
|Uncontrolled Keywords||self-assembly,mesoporous silica,co-surfactant,multilayer vesicle|
|Departments||Faculty of Science > Chemistry|
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