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Advanced Materials

Layer-by-Layer Assembly of Reactive Ultrathin Films Mediated by Click-Type Reactions of Poly(2-Alkenyl Azlactone)s

Authors

  • M. E. Buck,

    1. Department of Chemistry, University of Wisconsin—Madison, 1415 Engineering Drive, Madison, WI 53706 (USA)
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  • J. Zhang,

    1. Department of Chemical and Biological Engineering, University of Wisconsin—Madison, 1415 Engineering Drive, Madison, WI 53706 (USA)
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  • D. M. Lynn

    1. Department of Chemistry, University of Wisconsin—Madison, 1415 Engineering Drive, Madison, WI 53706 (USA)
    2. Department of Chemical and Biological Engineering, University of Wisconsin—Madison, 1415 Engineering Drive, Madison, WI 53706 (USA)
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  • Financial support was provided by the 3M Corporation and the Arnold and Mabel Beckman Foundation. We thank Dr. Steven M. Heilmann (3M) for providing samples of poly(2-vinyl-4,4-dimethylazlactone) and for many helpful discussions, and Aaron Lowe for assistance with microcontact printing experiments. M.E.B. was funded in part by an NIH Chemistry Biology Interface Training Grant (NIGMS T32 GM008505). D.M.L. is an Alfred P. Sloan Research Fellow. Supporting Information is available online from Wiley InterScience or from the authors.

Abstract

Covalently crosslinked ultrathin films can be fabricated layer-by-layer by exploiting fast and efficient click-type reactions between polyamines and the ‘spring-loaded' functionality of poly(2-alkenyl azlactone)s. The accessibility and reactivity of residual azlactone functionality in these ultrathin materials permits further functionalization post-fabrication, suggesting new approaches to the modification, passivation, or patterning of curved or topologically complex surfaces with chemical or biological functionality.

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