Abstract
The interaction between a hyperbranched polymer and ZnS particles dispersed in water was studied and the multilayer films were layer-by-layered fabricated based on the electrostatic attraction of the hyperbranched polymer and ZnS particles. Finally, the photoluminescence properties of the films were detected. With plenty of characteristic alkalescence amine groups on its backbone, the hyperbranched poly(ester-amine) (HPEA) molecules are water-soluble and self-assemble into micelles in water, and this micellization effect were used to increase the dispersion and stabilization of ZnS particles in water. Meantime, HPEA/ZnS particles could be fabricated into multilayer films based on the mutual strong interaction. The multilayer fabrication process was monitored by UV-vis spectrometer and the surface morphology of the multilayer film was characterized by atom force microscope (AFM). The results showed that with ZnS particles as the outmost layer, the film surface was composed by global particles, and most of them with diameters of about 50 to 100 nm. And when the film was excited by UV light at 244 nm, an emission peak at 495 nm was detected.
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Qiu, T., Song, C., Yu, J. et al. The Photoluminescence Properties of Hyperbranched Poly(ester-amine)/ZnS Particle Self-Assembled Multilayer Films. Polym J 41, 358–362 (2009). https://doi.org/10.1295/polymj.PJ2008084
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DOI: https://doi.org/10.1295/polymj.PJ2008084