Flexible design of free-standing hybrid polymer nanosheets through bottom-up approach

We describe the bottom-up design of highly ordered free-standing nanofilms consisting of polymer Langmuir-Blodgett films (polymer nanosheets). Polymer nanosheets enable the incorporation of a wide variety of functional groups such as reactive components and chromophores, which serve as building blocks of free-standing nanofilms. We demonstrated a free-standing fluorescent hybrid nanofilm in which the separation between gold nanoparticles and fluorophores was tuned at the nanometer scale. Moreover, we prepared a free-standing nanofilm consisting of a two-dimensional homogeneous nickel zinc iron oxide (NiZnFe ₂O₄) nanoparticle monolayer assembled on polymer nanosheets.