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Issue 18, 2017
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Nanofluidic crystals: nanofluidics in a close-packed nanoparticle array

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Abstract

With various promising applications demonstrated, nanofluidics has been of broad research interest in the past decade. As nanofluidics matures from a proof of concept towards practical applications, it faces two major barriers: expensive nanofabrication and ultra-low throughput. To date, the only material that enables nanofabrication-free, high-throughput, yet precisely controllable nanofluidic systems is the close-packed nanoparticle array, i.e. nanofluidic crystals. Recently, significant progress in nanofluidics has been made using nanofluidic crystals, including high-current ionic diodes, high-power energy harvesters, efficient biomolecular separation, and facile biosensors. Nanofluidic crystals are seen as a key to applying nanofluidic concepts to real-world applications. In this review, we introduce the key concepts and models in nanofluidic crystals, summarize the fabrication methods, and discuss the various applications of nanofluidic crystals in depth, highlighting their advantages in terms of simple fabrication, low cost, flexibility, and high throughput. Finally, we provide our perspectives on the future of nanofluidic crystals and their potential impacts.

Graphical abstract: Nanofluidic crystals: nanofluidics in a close-packed nanoparticle array

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Publication details

The article was received on 03 Jun 2017, accepted on 20 Jul 2017 and first published on 20 Jul 2017


Article type: Tutorial Review
DOI: 10.1039/C7LC00588A
Citation: Lab Chip, 2017,17, 3006-3025
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    Nanofluidic crystals: nanofluidics in a close-packed nanoparticle array

    W. Ouyang, J. Han and W. Wang, Lab Chip, 2017, 17, 3006
    DOI: 10.1039/C7LC00588A

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