Nanostructuring of anodic copper oxides in fluoride-containing ethylene glycol media

Diego P. Oyarzún Jerez, Manuel López Teijelo, Wilkendry Ramos Cervantes, Omar E. Linarez Pérez, Julio Sánchez, Guadalupe del C. Pizarro, Gabriela Acosta, Marcos Flores, Ramiro Arratia-Perez

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

We demonstrate that the anodization of copper in alkaline water/ethylene glycol media containing fluoride ions generates nanostructured copper oxide films. By modifying the anodization conditions (fluoride and OH concentrations, applied voltage and anodization time), nanofibrillar Cu2O as well as highly rough nanofibrillar network or nanoporous mixed Cu2O/CuO films are obtained. Raman and X-ray Photoemission Spectroscopy (XPS) results indicate that in fluoride presence, Cu(I) oxide is obtained when anodization takes place applying low voltages at a relatively low OH concentration. In comparison, the subsequent oxidation to obtain Cu(II) species (CuO and Cu(OH)2) is promoted by increasing the OH contents. According to the present results, an oxidation reaction scheme is proposed in order to gain a deeper understanding in the preparation of controlled nanostructured copper oxide films.

Original languageEnglish
Pages (from-to)181-186
Number of pages6
JournalJournal of Electroanalytical Chemistry
Volume807
DOIs
Publication statusPublished - 15 Dec 2017

Fingerprint

Ethylene Glycol
Copper oxides
Ethylene glycol
Fluorides
Oxide films
Oxidation
Electric potential
Photoelectron spectroscopy
X ray spectroscopy
Copper
Oxides
Ions
Water

Keywords

  • Copper oxides
  • Nanostructured oxides
  • Raman
  • XPS

ASJC Scopus subject areas

  • Analytical Chemistry
  • Chemical Engineering(all)
  • Electrochemistry

Cite this

Oyarzún Jerez, D. P., López Teijelo, M., Ramos Cervantes, W., Linarez Pérez, O. E., Sánchez, J., Pizarro, G. D. C., ... Arratia-Perez, R. (2017). Nanostructuring of anodic copper oxides in fluoride-containing ethylene glycol media. Journal of Electroanalytical Chemistry, 807, 181-186. https://doi.org/10.1016/j.jelechem.2017.11.047
Oyarzún Jerez, Diego P. ; López Teijelo, Manuel ; Ramos Cervantes, Wilkendry ; Linarez Pérez, Omar E. ; Sánchez, Julio ; Pizarro, Guadalupe del C. ; Acosta, Gabriela ; Flores, Marcos ; Arratia-Perez, Ramiro. / Nanostructuring of anodic copper oxides in fluoride-containing ethylene glycol media. In: Journal of Electroanalytical Chemistry. 2017 ; Vol. 807. pp. 181-186.
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abstract = "We demonstrate that the anodization of copper in alkaline water/ethylene glycol media containing fluoride ions generates nanostructured copper oxide films. By modifying the anodization conditions (fluoride and OH– concentrations, applied voltage and anodization time), nanofibrillar Cu2O as well as highly rough nanofibrillar network or nanoporous mixed Cu2O/CuO films are obtained. Raman and X-ray Photoemission Spectroscopy (XPS) results indicate that in fluoride presence, Cu(I) oxide is obtained when anodization takes place applying low voltages at a relatively low OH– concentration. In comparison, the subsequent oxidation to obtain Cu(II) species (CuO and Cu(OH)2) is promoted by increasing the OH– contents. According to the present results, an oxidation reaction scheme is proposed in order to gain a deeper understanding in the preparation of controlled nanostructured copper oxide films.",
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Oyarzún Jerez, DP, López Teijelo, M, Ramos Cervantes, W, Linarez Pérez, OE, Sánchez, J, Pizarro, GDC, Acosta, G, Flores, M & Arratia-Perez, R 2017, 'Nanostructuring of anodic copper oxides in fluoride-containing ethylene glycol media', Journal of Electroanalytical Chemistry, vol. 807, pp. 181-186. https://doi.org/10.1016/j.jelechem.2017.11.047

Nanostructuring of anodic copper oxides in fluoride-containing ethylene glycol media. / Oyarzún Jerez, Diego P.; López Teijelo, Manuel; Ramos Cervantes, Wilkendry; Linarez Pérez, Omar E.; Sánchez, Julio; Pizarro, Guadalupe del C.; Acosta, Gabriela; Flores, Marcos; Arratia-Perez, Ramiro.

In: Journal of Electroanalytical Chemistry, Vol. 807, 15.12.2017, p. 181-186.

Research output: Contribution to journalArticle

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T1 - Nanostructuring of anodic copper oxides in fluoride-containing ethylene glycol media

AU - Oyarzún Jerez, Diego P.

AU - López Teijelo, Manuel

AU - Ramos Cervantes, Wilkendry

AU - Linarez Pérez, Omar E.

AU - Sánchez, Julio

AU - Pizarro, Guadalupe del C.

AU - Acosta, Gabriela

AU - Flores, Marcos

AU - Arratia-Perez, Ramiro

PY - 2017/12/15

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N2 - We demonstrate that the anodization of copper in alkaline water/ethylene glycol media containing fluoride ions generates nanostructured copper oxide films. By modifying the anodization conditions (fluoride and OH– concentrations, applied voltage and anodization time), nanofibrillar Cu2O as well as highly rough nanofibrillar network or nanoporous mixed Cu2O/CuO films are obtained. Raman and X-ray Photoemission Spectroscopy (XPS) results indicate that in fluoride presence, Cu(I) oxide is obtained when anodization takes place applying low voltages at a relatively low OH– concentration. In comparison, the subsequent oxidation to obtain Cu(II) species (CuO and Cu(OH)2) is promoted by increasing the OH– contents. According to the present results, an oxidation reaction scheme is proposed in order to gain a deeper understanding in the preparation of controlled nanostructured copper oxide films.

AB - We demonstrate that the anodization of copper in alkaline water/ethylene glycol media containing fluoride ions generates nanostructured copper oxide films. By modifying the anodization conditions (fluoride and OH– concentrations, applied voltage and anodization time), nanofibrillar Cu2O as well as highly rough nanofibrillar network or nanoporous mixed Cu2O/CuO films are obtained. Raman and X-ray Photoemission Spectroscopy (XPS) results indicate that in fluoride presence, Cu(I) oxide is obtained when anodization takes place applying low voltages at a relatively low OH– concentration. In comparison, the subsequent oxidation to obtain Cu(II) species (CuO and Cu(OH)2) is promoted by increasing the OH– contents. According to the present results, an oxidation reaction scheme is proposed in order to gain a deeper understanding in the preparation of controlled nanostructured copper oxide films.

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Oyarzún Jerez DP, López Teijelo M, Ramos Cervantes W, Linarez Pérez OE, Sánchez J, Pizarro GDC et al. Nanostructuring of anodic copper oxides in fluoride-containing ethylene glycol media. Journal of Electroanalytical Chemistry. 2017 Dec 15;807:181-186. https://doi.org/10.1016/j.jelechem.2017.11.047