Lithographic patterning of interconnected well-ordered metal arrays onto silicon wafers utilizing a 2-dimensional array of poly(diallyldimethylammonium chloride)/poly(sodium 4-styrenesulfonate) thin shells as the template is reported. The polyelectrolyte (PE) thin shells (hollow spheres) were produced by dissolving the polystyrene (PS) sphere cores. Structures of the arrays can be altered by varying the size of the PS spheres. The preparation of such arrays represents an inexpensive lithographic method for the fabrication of a variety of materials.
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Han et al. (2001) studied this question.
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