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Issue 44, 2012
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Microfluidic elastomer composites with switchable vis-IR transmittance

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Abstract

We demonstrate a class of simple and versatile soft microfluidic materials that can be made optically transparent or coloured on demand. These materials are in the form of flexible sheets containing microchannel networks embedded in polydimethylsiloxane (PDMS). The channels are filled with liquids whose refractive index is matched with the one of the PDMS matrix. By pumping dye solutions into the channel networks and consecutively replacing the medium, we can control the material's colour and light transmittance in the visible and near-infrared regions.

Graphical abstract: Microfluidic elastomer composites with switchable vis-IR transmittance

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Publication details

The article was received on 15 Jul 2012, accepted on 04 Sep 2012 and first published on 20 Sep 2012


Article type: Communication
DOI: 10.1039/C2SM26635K
Citation: Soft Matter, 2012,8, 11232-11235
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    Microfluidic elastomer composites with switchable vis-IR transmittance

    A. B. Uçar and O. D. Velev, Soft Matter, 2012, 8, 11232
    DOI: 10.1039/C2SM26635K

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