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An ultraviolet and electric field activated photopolymer–ferroelectric nanoparticle composite for the performance enhancement of triboelectric nanogenerators

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Abstract

For the development of high performance triboelectric generators (TENGs), it is required to have facile methods to adjust the triboelectric properties of the friction surfaces. In this work, we present the surface charge density modulation of the photopolymer–ferroelectric nanoparticle composite surface by applying ultraviolet (UV) and electric field. By using the photopolymer, the triboelectric surface property was modulated by exposure to UV. In addition, lithographic surface patterning can be easily adopted to enlarge the frictional surface area as well. Furthermore, the use of the PP allows a facile integration of ferroelectric nanoparticles (NPs) in the form of a nanocomposite structure, which can effectively increase the surface charge density by spontaneous dipole coupling of NPs embedded in the PP layer. As a result, approximately 4-fold higher output power has been achieved by applying this approach. The developed TENGs have also demonstrated superior mechanical durability, generating consistent outputs during 104 cyclic frictional contacts. The approach proposed here is a simple and reliable way to enhance the output performance of TENGs.

Graphical abstract: An ultraviolet and electric field activated photopolymer–ferroelectric nanoparticle composite for the performance enhancement of triboelectric nanogenerators

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Publication details

The article was received on 13 Aug 2018, accepted on 21 Oct 2018 and first published on 22 Oct 2018


Article type: Communication
DOI: 10.1039/C8NR06530F
Citation: Nanoscale, 2018, Advance Article
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    An ultraviolet and electric field activated photopolymer–ferroelectric nanoparticle composite for the performance enhancement of triboelectric nanogenerators

    S. Shin, D. Park, J. Jung, P. Park and J. Nah, Nanoscale, 2018, Advance Article , DOI: 10.1039/C8NR06530F

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