Core/shell of p-Cu<inf>x</inf>O/n-ZnO nanowire arrays: Synthesis and characterization
Copyright © 2017 American Scientific Publishers All rights reserved. Vertical aligned p-CuxO nanowire arrays were synthesized by a simple and cost-effective thermal oxidation method. They act as cores, radial p-CuxO core/n-ZnO shell heterostructure nanowire arrays were fabricated by thermal decompos...
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| Main Authors: | , , , |
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| Format: | Journal |
| Published: |
2018
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| Subjects: | |
| Online Access: | https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85028005064&origin=inward http://cmuir.cmu.ac.th/jspui/handle/6653943832/57474 |
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| Institution: | Chiang Mai University |
| Summary: | Copyright © 2017 American Scientific Publishers All rights reserved. Vertical aligned p-CuxO nanowire arrays were synthesized by a simple and cost-effective thermal oxidation method. They act as cores, radial p-CuxO core/n-ZnO shell heterostructure nanowire arrays were fabricated by thermal decomposition. Based upon the core/shell nanowire-based all oxide p-n junctions. The samples were analyzed by XRD, SEM, EDS and TEM. X-ray diffraction (XRD) analysis showed that the p-CuxO core/n-ZnO shell nanowire consisted of phase of p-CuxO and wurtzite phase of n-ZnO. The morphology analysis shows average diameter and length of nanowires are ~50 to 200 nm and ~10 to 30 μm, respectively. The EDS spectrum confirmed the presence of required elements in the p-CuxO core/n-ZnO shell nanowires. It found to be Zn, O and Cu are distributed over the wires area according to a ratio of 1:2 by atomic of Cu:Zn to get good core/shell structure. The TEM characterizations show the n-ZnO shell nanoparticles are comprised of n-ZnO polycrystalline nanoparticles on the surface of p-Cu2O core nanowires. |
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