Please use this identifier to cite or link to this item: https://physrep.ff.bg.ac.rs/handle/123456789/1073
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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