Kuk Keumkyung, Gregel Lukas, Abgarjan Vahan, Croonenbrock Caspar, Hänsch Sebastian, Karg Matthias
Institut für Physikalische Chemie I: Kolloide und Nanooptik, Heinrich-Heine-Universität Düsseldorf, Universitätsstr. 1, 40225 Düsseldorf, Germany.
Center for Advanced Imaging, Heinrich-Heine-Universität Düsseldorf, Universitätsstraße 1, 40225 Düsseldorf, Germany.
Gels. 2022 Aug 18;8(8):516. doi: 10.3390/gels8080516.
Micron-sized hard core-soft shell hybrid microgels are promising model systems for studies of soft matter as they enable in-situ optical investigations and their structures/morphologies can be engineered with a great variety. Yet, protocols that yield micron-sized core-shell microgels with a tailorable shell-to-core size ratio are rarely available. In this work, we report on the one-pot synthesis protocol for micron-sized silica-poly(-isopropylacrylamide) core-shell microgels that has excellent control over the shell-to-core ratio. Small-angle light scattering and microscopy of 2- and 3-dimensional assemblies of the synthesized microgels confirm that the produced microgels are monodisperse and suitable for optical investigation even at high packing fractions.
微米级硬核-软壳杂化微凝胶是用于软物质研究的很有前景的模型系统，因为它们能够进行原位光学研究，并且其结构/形态可以进行多种设计。然而，很少有能产生具有可定制壳核尺寸比的微米级核壳微凝胶的方案。在这项工作中，我们报告了一种用于微米级二氧化硅-聚（N-异丙基丙烯酰胺）核壳微凝胶的一锅合成方案，该方案对壳核比具有出色的控制能力。对合成的微凝胶的二维和三维组装体进行小角光散射和显微镜观察证实，所制备的微凝胶是单分散的，甚至在高堆积分数下也适用于光学研究。
