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Issue 10, 2014
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Low temperature growth of graphene on Cu–Ni alloy nanofibers for stable, flexible electrodes

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Abstract

Here, we report a facile approach to grow graphene on Cu–Ni alloy NFs at a temperature as low as 450–500 °C, in which solid polystyrene (PS) carbon source and two-temperature-zone furnace were used to prepare graphene. The graphene coated Cu–Ni (designated as G-coated Cu–Ni) NFs were fully characterized by Raman spectra, XPS, FESEM and TEM. The G-coated Cu–Ni NFs exhibited excellent anti-oxidation, anti-corrosion and flexibility properties. The anti-corrosion of G-coated Cu–Ni NFs was examined through cyclic voltammetry measurements by using sea water as the electrolyte solution. Finally, using crossed arrays of G-coated Cu–Ni NF composite electrode thin films (sheet resistance is ∼10 Ω sq−1) as the flexible electrode, an alternating current (AC) electroluminescent (EL) device with a configuration of G-coated Cu–Ni/active layer (ZnS : Cu phosphor)/dielectric layer (BaTiO3)/front electrode (CNT) has been fabricated. Under an AC voltage of 200 V and frequency of 1300 Hz, the ACEL device emitted blue light at 496 nm with a brightness of 103 cd m−2.

Graphical abstract: Low temperature growth of graphene on Cu–Ni alloy nanofibers for stable, flexible electrodes

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Supplementary files

Article information


Submitted
25 Nov 2013
Accepted
19 Feb 2014
First published
26 Feb 2014

Nanoscale, 2014,6, 5110-5115
Article type
Communication

Low temperature growth of graphene on Cu–Ni alloy nanofibers for stable, flexible electrodes

Z. Liu, Z. Yin, Z. Du, Y. Yang, M. Zhu, L. Xie and W. Huang, Nanoscale, 2014, 6, 5110
DOI: 10.1039/C3NR06246E

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