A versatile method for coating surfaces with functional and responsive polymer-based films
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A versatile surface modification technique was developed to yield poly(N-isopropylacrylamide) (pNIPAm) microgel-based thin films on a variety of substrates, e.g., metals, nonmetals, and polymers. Because the chemistry, and hence functionality and responsivity, of the pNIPAm-based microgels is easily tuned, multifunctional and responsive thin films could be generated on many different surfaces without varying the coating conditions. In one case, we showed that fluorescent/light emitting thin films could be generated using crystal violet-modified microgels. Antibacterial films could be obtained using silver nanoparticle-modified pNIPAm-based microgels. Finally, we show that thin films fabricated via the methods here could be used as a component in optical sensors. Although we show only a few examples of the utility of this approach, we feel that the apparent universality of the technique can be extended to countless other applications.
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http://purl.org/coar/resource_type/c_6501 http://purl.org/coar/version/c_71e4c1898caa6e32 http://purl.org/coar/version/c_b1a7d7d4d402bcce
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© American Chemical Society, 2015. This is an open access article which is free to download and share.
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en