Ambiguous anti-fouling surfaces: Facile synthesis by light-mediated radical polymerization

Pester, C. W., Poelma, J. E., Narupai, B., Patel, S. N., Su, G. M., Mates, T. E., Luo, Y., Ober, C. K., Hawker, C. J., Kramer, E. J.
J. Polym. Sci., Part A: Polym. Chem.

In an attempt to create a polymer brush-based platform for the systematic study for anti-biofouling surfaces, the benefits of surface initiated, visible light-mediated radical polymerization are utilized to fabricate well-defined, chemically ambiguously patterned surfaces. A variety of analytical tools are used to illustrate the precise tuning of surface chemistry and thoroughly characterize spatially well-defined, hydrophilic/hydrophobic surfaces composed of poly(ethylene glycol methacrylate) and poly(trifluoroethyl methacrylate) with chemical definition on the micron scale. Advantages of both visible light-mediated photopolymerization and traditional copper-catalyzed atom transfer radical polymerization are combined to achieve both high spatial control and expanded monomer tolerance.