Synthesis and characterization of core-shell hybrid nanoparticles with PNIPAM
발표자
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초록
내용
The structure and property of poly(N-isopropylacrylamide) (PNIPAM) known as a thermoresponsive polymer can be controllable by external stimuli such as temperature and pH. Due to its unique characteristics of PNIPAM, many studies have been tried to form polymeric nanoparticles combining PNIPAM with ceria oxide for the applications of chemical delivery, catalyst, sensor, chemical mechanical polishing, and so on. In this work, core-shell hybrid nanoparticles were prepared through the seeded emulsion polymerization of a cerium nitrate hexahydrate monomer under the presence of PNIPAM particles. Stable core-shell nanoparticles were obtained in which ceria oxide attached small domains on the surface of the PNIPAM particles. Their morphology and size distribution were measured by scanning electron microscope (SEM), transmission electron microscope (TEM), and dynamic light scattering (DLS).