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The effects of solvent in the deposition of opal films from colloidal suspensions of polystyrene spheres have been studied with respect to the newly developed capillary deposition method and the well-known vertical deposition method. Both the surface morphology and the fine structure of the opal films are influenced by the solvent significantly. An optimized solvent mixture for fabrication of high-quality opal films has been found, and possible influence mechanisms of solvent are discussed.
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Li et al. (2006) studied this question.
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