Journal
GELS
Volume 8, Issue 8, Pages -Publisher
MDPI
DOI: 10.3390/gels8080516
Keywords
micron-sized core-shell microgels; seeded precipitation polymerization; one-pot synthesis; small-angle light scattering; confocal laser scanning microscopy
Categories
Funding
- DFG
- state of NRW [INST 208/749-1 FUGG]
- German Research Foundation (DFG) [KA3880/6-1]
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This paper reports on a one-pot synthesis protocol for micron-sized silica-poly(N-isopropylacrylamide) core-shell microgels and demonstrates excellent control over the shell-to-core ratio. The experimental results show that the synthesized microgels are monodisperse and suitable for optical investigations even at high packing fractions.
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(N-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.
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