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Fluid Flow Programming in Paper-Derived Silica-Polymer Hybrids.

Dubois, Christelle and Herzog, Nicole and Rüttiger, Christian and Geißler, Andreas and Grange, Eléonor and Kunz, Ulrike and Kleebe, Hans-Joachim and Biesalski, Markus and Meckel, Tobias and Gutmann, Torsten and Gallei, Markus and Andrieu-Brunsen, Annette (2017):
Fluid Flow Programming in Paper-Derived Silica-Polymer Hybrids.
In: Langmuir : the ACS journal of surfaces and colloids, pp. 332-339, 33, (1), ISSN 1520-5827, [Article]

Abstract

In paper-based devices, capillary fluid flow is based on length-scale selective functional control within a hierarchical porous system. The fluid flow can be tuned by altering the paper preparation process, which controls parameters such as the paper grammage. Interestingly, the fiber morphology and nanoporosity are often neglected. In this work, porous voids are incorporated into paper by the combination of dense or mesoporous ceramic silica coatings with hierarchically porous cotton linter paper. Varying the silica coating leads to significant changes in the fluid flow characteristics, up to the complete water exclusion without any further fiber surface hydrophobization, providing new approaches to control fluid flow. Additionally, functionalization with redox-responsive polymers leads to reversible, dynamic gating of fluid flow in these hybrid paper materials, demonstrating the potential of length scale specific, dynamic, and external transport control.

Item Type: Article
Erschienen: 2017
Creators: Dubois, Christelle and Herzog, Nicole and Rüttiger, Christian and Geißler, Andreas and Grange, Eléonor and Kunz, Ulrike and Kleebe, Hans-Joachim and Biesalski, Markus and Meckel, Tobias and Gutmann, Torsten and Gallei, Markus and Andrieu-Brunsen, Annette
Title: Fluid Flow Programming in Paper-Derived Silica-Polymer Hybrids.
Language: English
Abstract:

In paper-based devices, capillary fluid flow is based on length-scale selective functional control within a hierarchical porous system. The fluid flow can be tuned by altering the paper preparation process, which controls parameters such as the paper grammage. Interestingly, the fiber morphology and nanoporosity are often neglected. In this work, porous voids are incorporated into paper by the combination of dense or mesoporous ceramic silica coatings with hierarchically porous cotton linter paper. Varying the silica coating leads to significant changes in the fluid flow characteristics, up to the complete water exclusion without any further fiber surface hydrophobization, providing new approaches to control fluid flow. Additionally, functionalization with redox-responsive polymers leads to reversible, dynamic gating of fluid flow in these hybrid paper materials, demonstrating the potential of length scale specific, dynamic, and external transport control.

Journal or Publication Title: Langmuir : the ACS journal of surfaces and colloids
Volume: 33
Number: 1
Divisions: 10 Department of Biology
10 Department of Biology > Membrane Dynamics
11 Department of Materials and Earth Sciences > Material Science
11 Department of Materials and Earth Sciences > Material Science > Physical Metallurgy
11 Department of Materials and Earth Sciences
Date Deposited: 13 Feb 2017 11:55
Identification Number: pmid:27982597
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