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Title: | Hybrid nanostructured particles via surfactant-free double miniemulsion polymerization |
Authors: | Zhao, Yongliang; Liu, Junli; Chen, Zhi; Zhu, Xiaomin; Möller, Martin |
Publishers version: | https://doi.org/10.1038/s41467-018-04320-7 |
URI: | https://oa.tib.eu/renate/handle/123456789/11749 http://dx.doi.org/10.34657/10783 |
Issue Date: | 2018 |
Published in: | Nature Communications 9 (2018) |
Journal: | Nature Communications |
Volume: | 9 |
Page Start: | 1918 |
Publisher: | [London] : Nature Publishing Group UK |
Abstract: | Double emulsions are complex fluid systems, in which droplets of a dispersed liquid phase contain even smaller dispersed liquid droplets. Particularly, water-in-oil-in-water double emulsions provide significant advantages over simple oil-in-water emulsions for microencapsulation, such as carrier of both aqueous and oily payloads and sustained release profile. However, double emulsions are thermodynamically unstable systems consisting typically of relatively large droplets. Here we show that nanoscale water-in-oil-in-water double emulsions can be prepared by adding a silica precursor polymer, hyperbranched polyethoxysiloxane, to the oil phase without any additional surfactants. The resulting double miniemulsions are transformed to robust water@SiO2@polymer@SiO2 nanocapsules via conversion of the precursor to silica and polymerization of the oil phase. Other intriguing nanostructures like nanorattles and Janus-like nanomushrooms can also be obtained by changing preparation conditions. This simple surfactant-free double miniemulsion polymerization technique opens a promising avenue for mass production of various complex hybrid nanostructures that are amenable to numerous applications. |
Keywords: | nanocapsule; nanomaterial; silicon dioxide; siloxane; surfactant |
Type: | article; Text |
Publishing status: | publishedVersion |
DDC: | 500 540 620 |
License: | CC BY 4.0 Unported |
Link to license: | https://creativecommons.org/licenses/by/4.0 |
Appears in Collections: | Chemie Ingenieurwissenschaften |
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Zhao, Yongliang, Junli Liu, Zhi Chen, Xiaomin Zhu and Martin Möller, 2018. Hybrid nanostructured particles via surfactant-free double miniemulsion polymerization. 2018. [London] : Nature Publishing Group UK
Zhao, Y., Liu, J., Chen, Z., Zhu, X. and Möller, M. (2018) “Hybrid nanostructured particles via surfactant-free double miniemulsion polymerization.” [London] : Nature Publishing Group UK. doi: https://doi.org/10.1038/s41467-018-04320-7.
Zhao Y, Liu J, Chen Z, Zhu X, Möller M. Hybrid nanostructured particles via surfactant-free double miniemulsion polymerization. Vol. 9. [London] : Nature Publishing Group UK; 2018.
Zhao, Y., Liu, J., Chen, Z., Zhu, X., & Möller, M. (2018). Hybrid nanostructured particles via surfactant-free double miniemulsion polymerization (Version publishedVersion, Vol. 9). Version publishedVersion, Vol. 9. [London] : Nature Publishing Group UK. https://doi.org/https://doi.org/10.1038/s41467-018-04320-7
Zhao Y, Liu J, Chen Z, Zhu X, Möller M. Hybrid nanostructured particles via surfactant-free double miniemulsion polymerization. 2018;9. doi:https://doi.org/10.1038/s41467-018-04320-7
This item is licensed under a Creative Commons License