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Title: | Morphology and photoluminescence of nanostructured oxides grown by copper passivation in aqueous potassium hydroxide solution | Authors: | Stepniowski, Wojciech J. Stojadinović, Stevan Vasilić, Rastko Tadić, Nenad B. Karczewski, Krzysztof Abrahami, Shoshan T. Buijnsters, Josephus G. Mol, Johannes M.C. |
Keywords: | Cupric oxide;Cuprous oxide;Nanowires;Passivation;Photoluminescence | Issue Date: | 1-Jul-2017 | Journal: | Materials Letters | Abstract: | Copper foil was anodized in 1 M KOH at potentials ranging from −400 to −100 mV vs. Ag|AgCl electrode. Cyclic voltammetry showed a distinct peak with a maximum at around −150 mV. For anodizing at −100 and −200 mV, nanowires with diameters of ca. 19 and 24 nm respectively were found to be grown. Moreover, photoluminescence and X-ray diffraction show that the dominant phase is the CuO phase. At lower potentials, cuboidal micron sized crystals were formed and Cu2O was found to be the major phase. |
URI: | https://physrep.ff.bg.ac.rs/handle/123456789/1073 | ISSN: | 0167-577X | DOI: | 10.1016/j.matlet.2017.03.155 |
Appears in Collections: | Journal Article |
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