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Issue 67, 2015
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Electron field emission enhancement of hybrid Cu/CuO nanowires fabricated by rapid thermal reduction of CuO nanowires

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Abstract

CuO nanowires (NWs) were grown via the thermal oxidation of Cu film deposited on a CuO/glass template. The reduction of CuO NWs was conducted at 250, 260, 270, and 280 °C in H2 atmosphere. It was found that the surfaces of CuO NWs partially transformed into Cu via rapid thermal annealing (RTA) under H2 atmosphere, forming hybrid Cu/CuO NWs. The field-enhancement factors of pure CuO NWs and hybrid Cu/CuO NWs prepared at 250, 260, and 270 °C were 2624, 5702, 7897, and 79 580, respectively. The results also show that the hybrid Cu/CuO NWs efficiently reduce the turn-on field from 6.4 to 0.9 V μm−1.

Graphical abstract: Electron field emission enhancement of hybrid Cu/CuO nanowires fabricated by rapid thermal reduction of CuO nanowires

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Article information


Submitted
06 May 2015
Accepted
12 Jun 2015
First published
12 Jun 2015

RSC Adv., 2015,5, 54220-54224
Article type
Paper

Electron field emission enhancement of hybrid Cu/CuO nanowires fabricated by rapid thermal reduction of CuO nanowires

Y. Juan, S. Chang, H. Hsueh, S. Wang, T. Cheng, S. Huang and C. Hsu, RSC Adv., 2015, 5, 54220
DOI: 10.1039/C5RA08330C

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