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Article

Flexible Textile-Based Organic Transistors Using Graphene/Ag Nanoparticle Electrode

1
C-Industry Incubation Research Center, Korea Research Institute of Chemical Technology (KRICT), Daejeon 34114, Korea
2
Composites Research Division, Korea Institute of Materials Science (KIMS), Changwon 51508, Korea
*
Authors to whom correspondence should be addressed.
These authors are contributed equally.
Academic Editor: Thomas Nann
Nanomaterials 2016, 6(8), 147; https://doi.org/10.3390/nano6080147
Received: 1 June 2016 / Revised: 1 July 2016 / Accepted: 29 July 2016 / Published: 16 August 2016
(This article belongs to the Special Issue Textiles Nanotechnology)
Highly flexible and electrically-conductive multifunctional textiles are desirable for use in wearable electronic applications. In this study, we fabricated multifunctional textile composites by vacuum filtration and wet-transfer of graphene oxide films on a flexible polyethylene terephthalate (PET) textile in association with embedding Ag nanoparticles (AgNPs) to improve the electrical conductivity. A flexible organic transistor can be developed by direct transfer of a dielectric/semiconducting double layer on the graphene/AgNP textile composite, where the textile composite was used as both flexible substrate and conductive gate electrode. The thermal treatment of a textile-based transistor enhanced the electrical performance (mobility = 7.2 cm2·V−1·s−1, on/off current ratio = 4 × 105, and threshold voltage = −1.1 V) due to the improvement of interfacial properties between the conductive textile electrode and the ion-gel dielectric layer. Furthermore, the textile transistors exhibited highly stable device performance under extended bending conditions (with a bending radius down to 3 mm and repeated tests over 1000 cycles). We believe that our simple methods for the fabrication of graphene/AgNP textile composite for use in textile-type transistors can potentially be applied to the development of flexible large-area electronic clothes. View Full-Text
Keywords: e-textile; graphene oxide; textile composite; textile transistor e-textile; graphene oxide; textile composite; textile transistor
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MDPI and ACS Style

Kim, Y.; Kwon, Y.J.; Lee, K.E.; Oh, Y.; Um, M.-K.; Seong, D.G.; Lee, J.U. Flexible Textile-Based Organic Transistors Using Graphene/Ag Nanoparticle Electrode. Nanomaterials 2016, 6, 147. https://doi.org/10.3390/nano6080147

AMA Style

Kim Y, Kwon YJ, Lee KE, Oh Y, Um M-K, Seong DG, Lee JU. Flexible Textile-Based Organic Transistors Using Graphene/Ag Nanoparticle Electrode. Nanomaterials. 2016; 6(8):147. https://doi.org/10.3390/nano6080147

Chicago/Turabian Style

Kim, Youn, Yeon J. Kwon, Kang E. Lee, Youngseok Oh, Moon-Kwang Um, Dong G. Seong, and Jea U. Lee 2016. "Flexible Textile-Based Organic Transistors Using Graphene/Ag Nanoparticle Electrode" Nanomaterials 6, no. 8: 147. https://doi.org/10.3390/nano6080147

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