![]() ![]() ![]() Sequential thiol-yne reactions in conjunction with simple UV photolithography were also applied to afford micropatterned, multicomponent surfaces. Brush surfaces expressing a three-dimensional configuration of “yne” functionalities were modified with high efficiency and short reaction times using a library of commercially available thiols, including functional thiols that demonstrate applicability for pH responsive surfaces and for bioconjugation. The principle is illustrated using a postmodification strategy in which poly(propargyl methacrylate) brushes were generated via surface-initiated photopolymerization and sequentially functionalized using the radical-mediated thiol-yne reaction. ![]() Thiol-yne click chemistry is demonstrated as a modular platform for rapid and practical fabrication of highly functional, multicomponent surfaces under ambient conditions. ![]()
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