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Issue 6, 2017
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Photo-switchable two-dimensional nanofluidic ionic diodes

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Abstract

The bottom-up assembly of ion-channel-mimetic nanofluidic devices and materials with two-dimensional (2D) nano-building blocks paves a straightforward way towards the real-world applications of the novel transport phenomena on a nano- or sub-nanoscale. One immediate challenge is to provide the 2D nanofluidic systems with adaptive responsibilities and asymmetric ion transport characteristics. Herein, we introduce a facile and general strategy to provide a graphene-oxide-based 2D nanofluidic system with photo-switchable ionic current rectification (ICR). The degree of ICR can be prominently enhanced upon UV irradiation and it can be perfectly retrieved under irradiation with visible light. A maximum ICR ratio of about 48 was achieved. The smart and functional nanofluidic devices have applications in energy conversion, chemical sensing, water treatment, etc.

Graphical abstract: Photo-switchable two-dimensional nanofluidic ionic diodes

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Publication details

The article was received on 12 Jan 2017, accepted on 31 Mar 2017 and first published on 05 Apr 2017


Article type: Edge Article
DOI: 10.1039/C7SC00153C
Citation: Chem. Sci., 2017,8, 4381-4386
  • Open access: Creative Commons BY-NC license
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    Photo-switchable two-dimensional nanofluidic ionic diodes

    L. Wang, Y. Feng, Y. Zhou, M. Jia, G. Wang, W. Guo and L. Jiang, Chem. Sci., 2017, 8, 4381
    DOI: 10.1039/C7SC00153C

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