Nonetheless, there are a host of challenges in developing nanostructured LLC membranes for separations at a commercial scale. Fabrication of these membranes is challenging as they are sensitive to factors such as monomer-solvent ratio, temperature, solvent dielectric properties, and so on. More fundamentally, there is little information about how the molecular properties of a given monomer result in pores of the correct size and chemical makeup to be selective for the desired separation, let alone whether a given combination of monomer or solvent will result in the desired phase. Improved ways to understand and design a wide palette of monomers is key to developing improved membrane separations.