Solvents and reagents were purchased from commercial suppliers and used without further purification. Hydroxyl functionalized polystyrene (2700 g mol -1 ) and poly(methyl methacrylate) (6300 g mol -1 ) were purchased from Polymer Source (Dorval, Canada). Si prime wafers were sourced from Addison Engineering Inc (San Jose, United States). DNA origami nanostructures were sourced from Tilibit Nanosystems (Munich, Germany).