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Issue 48, 2014
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Aqueous electrolyte-gated ZnO transistors for environmental and biological sensing

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Abstract

Electrolyte-gated transistors (EGTs) based on ZnO thin films, obtained by solution processing of suspensions of nanoparticles, have a low turn-on voltage (<0.5 V), a high on/off ratio and transconductance exceeding 0.2 mS. Importantly, the ZnO surface can be functionalized with a large variety of molecular recognition elements, making these devices ideal transducers in physiological and environmental monitoring. We present simple glucose-sensing and ion-selective EGTs, demonstrating the versatility of such devices in biosensing.

Graphical abstract: Aqueous electrolyte-gated ZnO transistors for environmental and biological sensing

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Publication details

The article was received on 15 Sep 2014, accepted on 17 Oct 2014 and first published on 22 Oct 2014


Article type: Communication
DOI: 10.1039/C4TC02075H
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J. Mater. Chem. C, 2014,2, 10277-10281

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    Aqueous electrolyte-gated ZnO transistors for environmental and biological sensing

    E. Bandiello, M. Sessolo and H. J. Bolink, J. Mater. Chem. C, 2014, 2, 10277
    DOI: 10.1039/C4TC02075H

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