Synthesis and Characterization of Three-Dimensional Nanoporous Copper Oxide Materials via Dealloying and Thermal Oxidation of Amorphous Ribbons
The synthesis of nanoporous copper oxide (NP-CuO) materials via the dealloying and thermal oxidation of amorphous CuZrAl ribbons, representing the novelty of this research and previously achieved via a melt-spinning process, was carried out in an aqueous hydrofluoric acid (HF) solution by varying th...
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| Format: | Article |
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MDPI AG
2023-10-01
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| Series: | Engineering Proceedings |
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| Online Access: | https://www.mdpi.com/2673-4591/48/1/56 |
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| author | Mircea Nicolaescu Cosmin Codrean Corina Orha Cornelia Bandas |
| author_facet | Mircea Nicolaescu Cosmin Codrean Corina Orha Cornelia Bandas |
| author_sort | Mircea Nicolaescu |
| collection | DOAJ |
| description | The synthesis of nanoporous copper oxide (NP-CuO) materials via the dealloying and thermal oxidation of amorphous CuZrAl ribbons, representing the novelty of this research and previously achieved via a melt-spinning process, was carried out in an aqueous hydrofluoric acid (HF) solution by varying the holding time. These nanoporous copper (NPC) structures were used as a template to achieve a 3D-NP-CuO materials with different surface morphologies. To investigate the structural and morphological properties of the obtained sandwich-type materials, X-ray diffraction (XRD), scanning electron microscopy coupled with energy-dispersive x-ray spectroscopy (SEM/EDX), and ultraviolet–visible spectroscopy (UV-VIS) techniques were used. In summary, the dealloying and thermal oxidation of amorphous ribbons is an interesting approach to achieving a three-dimensional (3D) network of NP-CuO with different morphologies and with a low production cost. These sandwich-type structures, consisting of NPC and copper oxide nanowires (CuO/Cu<sub>2</sub>O), combine the good electrical properties of NPC with the catalytic properties of copper oxide semiconductors, making them suitable materials for photocatalysis, photoelectrodes in solar cells, battery applications, and electrochemical sensors. |
| first_indexed | 2024-04-24T18:19:45Z |
| format | Article |
| id | doaj.art-00b1cd8069544b92beeef720787ea9ed |
| institution | Directory Open Access Journal |
| issn | 2673-4591 |
| language | English |
| last_indexed | 2024-04-24T18:19:45Z |
| publishDate | 2023-10-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Engineering Proceedings |
| spelling | doaj.art-00b1cd8069544b92beeef720787ea9ed2024-03-27T13:36:11ZengMDPI AGEngineering Proceedings2673-45912023-10-014815610.3390/CSAC2023-15171Synthesis and Characterization of Three-Dimensional Nanoporous Copper Oxide Materials via Dealloying and Thermal Oxidation of Amorphous RibbonsMircea Nicolaescu0Cosmin Codrean1Corina Orha2Cornelia Bandas3National Institute for Research and Development in Electrochemistry and Condensed Matter, A. Paunescu Podeanu Street, No 144, 300569 Timisoara, RomaniaDepartment of Materials and Manufacturing Engineering, Faculty of Mechanical Engineering, Politehnica University Timisoara, P-ta Victoriei, No. 2, 300006 Timisoara, RomaniaNational Institute for Research and Development in Electrochemistry and Condensed Matter, A. Paunescu Podeanu Street, No 144, 300569 Timisoara, RomaniaNational Institute for Research and Development in Electrochemistry and Condensed Matter, A. Paunescu Podeanu Street, No 144, 300569 Timisoara, RomaniaThe synthesis of nanoporous copper oxide (NP-CuO) materials via the dealloying and thermal oxidation of amorphous CuZrAl ribbons, representing the novelty of this research and previously achieved via a melt-spinning process, was carried out in an aqueous hydrofluoric acid (HF) solution by varying the holding time. These nanoporous copper (NPC) structures were used as a template to achieve a 3D-NP-CuO materials with different surface morphologies. To investigate the structural and morphological properties of the obtained sandwich-type materials, X-ray diffraction (XRD), scanning electron microscopy coupled with energy-dispersive x-ray spectroscopy (SEM/EDX), and ultraviolet–visible spectroscopy (UV-VIS) techniques were used. In summary, the dealloying and thermal oxidation of amorphous ribbons is an interesting approach to achieving a three-dimensional (3D) network of NP-CuO with different morphologies and with a low production cost. These sandwich-type structures, consisting of NPC and copper oxide nanowires (CuO/Cu<sub>2</sub>O), combine the good electrical properties of NPC with the catalytic properties of copper oxide semiconductors, making them suitable materials for photocatalysis, photoelectrodes in solar cells, battery applications, and electrochemical sensors.https://www.mdpi.com/2673-4591/48/1/56amorphous ribbonsdealloyingthermal oxidationnanoporous copper oxidenanowires |
| spellingShingle | Mircea Nicolaescu Cosmin Codrean Corina Orha Cornelia Bandas Synthesis and Characterization of Three-Dimensional Nanoporous Copper Oxide Materials via Dealloying and Thermal Oxidation of Amorphous Ribbons Engineering Proceedings amorphous ribbons dealloying thermal oxidation nanoporous copper oxide nanowires |
| title | Synthesis and Characterization of Three-Dimensional Nanoporous Copper Oxide Materials via Dealloying and Thermal Oxidation of Amorphous Ribbons |
| title_full | Synthesis and Characterization of Three-Dimensional Nanoporous Copper Oxide Materials via Dealloying and Thermal Oxidation of Amorphous Ribbons |
| title_fullStr | Synthesis and Characterization of Three-Dimensional Nanoporous Copper Oxide Materials via Dealloying and Thermal Oxidation of Amorphous Ribbons |
| title_full_unstemmed | Synthesis and Characterization of Three-Dimensional Nanoporous Copper Oxide Materials via Dealloying and Thermal Oxidation of Amorphous Ribbons |
| title_short | Synthesis and Characterization of Three-Dimensional Nanoporous Copper Oxide Materials via Dealloying and Thermal Oxidation of Amorphous Ribbons |
| title_sort | synthesis and characterization of three dimensional nanoporous copper oxide materials via dealloying and thermal oxidation of amorphous ribbons |
| topic | amorphous ribbons dealloying thermal oxidation nanoporous copper oxide nanowires |
| url | https://www.mdpi.com/2673-4591/48/1/56 |
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