Diffusion-controlled alteration of inhomogeneous materials: tailoring of the spatial distribution of nanoparticles in nanocomposites.

摘要: Gaining control over the spatial distribution of nanoparticles in composite polymer materials is a relevant goal for range nanotechnology applications. Promising methods to produce directly matrix rely on their self-assembly from atoms that are generated due photodestruction precursor additive. Such known as photoinduced nanocomposites. In this work, we theoretically study possibility producing tailored nanoparticle distributions such by local modification physical properties. For instance, laser irradiation may cause permanent free-volume expansion (laser swelling), which results substantial change diffusivity aggregating atoms. The modeling shows tend accumulate domains where greater. Additionally, variation properties result modulation atom–matrix interaction energy and thus atom solubility matrix. This phenomenon can also affect NP distribution. paper formulates problem precipitation phase transition supersaturated solution solvent “frozen” spatially nonuniform state. basic traits studied means an analytical model. Then growth simulated using lattice