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Issue 9, 2016
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Flexible, transparent and exceptionally high power output nanogenerators based on ultrathin ZnO nanoflakes

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Abstract

Novel nanogenerator structures composed of ZnO nanoflakes of less than 10 nm thickness were fabricated using a novel method involving a facile synthetic route and a rational design. The fabricated nanogenerators exhibited a short-circuit current density of 67 μA cm−2, a peak-to-peak open-circuit voltage of 110 V, and an overall output power density exceeding 1.2 mW cm−2, and to the best of our knowledge, these are the best values that have been reported so far in the literature on ZnO-based nanogenerators. We demonstrated that our nanogenerator design could instantaneously power 20 commercial green light-emitting diodes without any additional energy storage processes. Both the facile synthetic route for the ZnO nanoflakes and the straightforward device fabrication process present great scaling potential in order to power mobile and personal electronics that can be used in smart wearable systems, transparent and flexible devices, implantable telemetric energy receivers, electronic emergency equipment, and other self-powered nano/micro devices.

Graphical abstract: Flexible, transparent and exceptionally high power output nanogenerators based on ultrathin ZnO nanoflakes

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Publication details

The article was received on 24 Nov 2015, accepted on 02 Feb 2016 and first published on 02 Feb 2016


Article type: Paper
DOI: 10.1039/C5NR08324A
Citation: Nanoscale, 2016,8, 5059-5066
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    Flexible, transparent and exceptionally high power output nanogenerators based on ultrathin ZnO nanoflakes

    H. Van Ngoc and D. J. Kang, Nanoscale, 2016, 8, 5059
    DOI: 10.1039/C5NR08324A

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