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Issue 17, 2012
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Color modulation of spatially isolated regions on a single poly(N-isopropylacrylamide) microgel based etalon

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Abstract

Poly(N-isopropylacrylamide)-co-acrylic acid microgels have been shown to exhibit visible color and unique optical spectra. While these properties have been studied on whole etalons, it is unclear if the etalon's optical properties can be independently modulated on spatially isolated regions of the same etalon. Here we show that indeed the optical properties of spatially isolated regions can be changed independently in response to temperature and pH. This was shown via both visible color changes and reflectance spectroscopy. Furthermore, etalons on flexible devices could be fabricated, and the color of independent spots separately modulated.

Graphical abstract: Color modulation of spatially isolated regions on a single poly(N-isopropylacrylamide) microgel based etalon

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Publication details

The article was received on 22 Feb 2012, accepted on 16 Mar 2012 and first published on 23 Mar 2012


Article type: Communication
DOI: 10.1039/C2JM31125A
Citation: J. Mater. Chem., 2012,22, 8199-8202
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    Color modulation of spatially isolated regions on a single poly(N-isopropylacrylamide) microgel based etalon

    L. Hu and M. J. Serpe, J. Mater. Chem., 2012, 22, 8199
    DOI: 10.1039/C2JM31125A

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