Fabrication of Mixed Zn/Cu-Bound Polyimine Microspheres with Fine-Tuned Diameter and Internal Gradation of Metal Composition

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Abstract

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Monodisperse colloidal microspheres containing zinc and copper atoms in various ratios are fabricated by polymerization of an imine chain and concomitant metal binding. The distribution of the metal atoms inside the microspheres exhibit a gradation from the center to the surface (see Figure), which is explained by a kinetic model of the particle growth process.

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