Abstract
Reverse micelle solutions can be used for the assembly of hybrid nanostructures of the composition dye monomer—Ag2S nanocrystal, dye J-aggregate—CuI nanocrystal, and dye J-aggregate—PbI2 nanocrystal. The assembly is effected by means of adsorption of the dye (3,3′-di-(γ-sulfopropyl)-4,5,4′,5′-dibenzo-9-ethylthiacarbocyanine betaine pyridinium salt) onto the nanocrystal surface. Factors responsible for the dye adsorption onto semiconductor nanocrystals in reverse micelle solutions are analyzed. It is suggested that adsorption can be the outcome of forces induced by both van der Waals and chemical interactions. The surfactants used for stabilization of reverse micelle solutions also influence the assembly of the hybrid nanostructures.
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