Abstract
The formation of reverse micelles of amphiphilic diblock copolymers of styrene and 2-vinylpyridine in selective (for one of the blocks) solvent (toluene) is studied by dynamic light scattering and atomic force and transmission electron microscopies, as well as by absorption spectroscopy and X-ray photoelectron spectroscopy techniques. It is revealed that the behavior of micelles of block copolymers with different ratios of block lengths and absolute molecular masses in solution is fundamentally different depending on the amount of added metal salt. The possibility of controlled variations in the characteristic sizes of two-dimensional ordered ensembles of micelles on the surface of silicon wafers is demonstrated. It is shown that, in some cases, the distance between the centers of micelles in ensemble depends on the concentration of copolymer solution and the amount of metal salt preliminarily added to the solution.
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