Highly Ordered Nanoparticle-Micelle Superlattice Using Solvent Evaporation Method in Aqueous Solution
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The nanoparticle (NP) superlattice formed by colloidal elements exhibit remarkable functional properties. However, building ordered structures via self-assembly has been still challenging because of the mainly continuous and irreversible to external stimulus. Herein, we report the highly ordered nanoparticles superlattice prepared by solvent evaporation method in a bulk aqueous solution. The NP-surfactant complexes were self-assembled by w/o micro emulsion, and the nanostructures of NP-surfactant complex, well defined to single and binary superlattice from SAXS diffraction pattern analysis correspond to diamond cubic and NaZn13 cubic structure, respectively.