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Issue 31, 2019
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Programmable unidirectional liquid transport on peristome-mimetic surfaces under liquid environments

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Abstract

Programmable liquid unidirectional transport is important in fluidic applications, such as microfluidics, oil–water separation, and self-lubrication. Despite commendable progress, previous research mainly focused on the unidirectional transport of liquids in an air environment. In multi-fluid systems, the unidirectional transport of one liquid under another immiscible liquid phase, even though urgently needed, still remains a challenge. To solve this cutting-edge problem, we mimicked the peristome of Nepenthes alata and 3D printed peristome-mimetic surfaces to achieve rapid, long-range and unidirectional liquid transport under another immiscible liquid phase. Significantly, we achieved unidirectional transport in a one-dimensional linear trajectory, a two-dimensional curve, and even in a three-dimensional infinite space. Our strategy offers opportunities for liquid transport and micropatterns in liquid environments for various applications.

Graphical abstract: Programmable unidirectional liquid transport on peristome-mimetic surfaces under liquid environments

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Publication details

The article was received on 07 May 2019, accepted on 20 Jun 2019 and first published on 02 Jul 2019


Article type: Communication
DOI: 10.1039/C9TA04770K
J. Mater. Chem. A, 2019,7, 18244-18248

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    Programmable unidirectional liquid transport on peristome-mimetic surfaces under liquid environments

    S. Zhou, C. Yu, C. Li, Z. Dong and L. Jiang, J. Mater. Chem. A, 2019, 7, 18244
    DOI: 10.1039/C9TA04770K

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