Composition Effect on the Formation of Oxide Phases by Thermal Decomposition of CuNiM(III) Layered Double Hydroxides with M(III) = Al, Fe
The thermal decomposition processes of coprecipitated Cu-Ni-Al and Cu-Ni-Fe hydroxides and the formation of the mixed oxide phases were followed by thermogravimetry and derivative thermogravimetry analysis (TG – DTG) and in situ X-ray diffraction (XRD) in a temperature range from 25 to 800 °C. The a...
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| author | Iqra Zubair Awan Phuoc Hoang Ho Giada Beltrami Bernard Fraisse Thomas Cacciaguerra Pierrick Gaudin Nathalie Tanchoux Stefania Albonetti Annalisa Martucci Fabrizio Cavani Francesco Di Renzo Didier Tichit |
| author_facet | Iqra Zubair Awan Phuoc Hoang Ho Giada Beltrami Bernard Fraisse Thomas Cacciaguerra Pierrick Gaudin Nathalie Tanchoux Stefania Albonetti Annalisa Martucci Fabrizio Cavani Francesco Di Renzo Didier Tichit |
| author_sort | Iqra Zubair Awan |
| collection | DOAJ |
| description | The thermal decomposition processes of coprecipitated Cu-Ni-Al and Cu-Ni-Fe hydroxides and the formation of the mixed oxide phases were followed by thermogravimetry and derivative thermogravimetry analysis (TG – DTG) and in situ X-ray diffraction (XRD) in a temperature range from 25 to 800 °C. The as-prepared samples exhibited layered double hydroxide (LDH) with a rhombohedral structure for the Ni-richer Al- and Fe-bearing LDHs and a monoclinic structure for the CuAl LDH. Direct precipitation of CuO was also observed for the Cu-richest Fe-bearing samples. After the collapse of the LDHs, dehydration, dehydroxylation, and decarbonation occurred with an overlapping of these events to an extent, depending on the structure and composition, being more pronounced for the Fe-bearing rhombohedral LDHs and the monoclinic LDH. The Fe-bearing amorphous phases showed higher reactivity than the Al-bearing ones toward the crystallization of the mixed oxide phases. This reactivity was improved as the amount of embedded divalent cations increased. Moreover, the influence of copper was effective at a lower content than that of nickel. |
| first_indexed | 2024-03-08T15:03:39Z |
| format | Article |
| id | doaj.art-b34a1507eb5d418197b2a717868a9764 |
| institution | Directory Open Access Journal |
| issn | 1996-1944 |
| language | English |
| last_indexed | 2024-03-08T15:03:39Z |
| publishDate | 2023-12-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Materials |
| spelling | doaj.art-b34a1507eb5d418197b2a717868a97642024-01-10T15:02:31ZengMDPI AGMaterials1996-19442023-12-011718310.3390/ma17010083Composition Effect on the Formation of Oxide Phases by Thermal Decomposition of CuNiM(III) Layered Double Hydroxides with M(III) = Al, FeIqra Zubair Awan0Phuoc Hoang Ho1Giada Beltrami2Bernard Fraisse3Thomas Cacciaguerra4Pierrick Gaudin5Nathalie Tanchoux6Stefania Albonetti7Annalisa Martucci8Fabrizio Cavani9Francesco Di Renzo10Didier Tichit11ICGM, University Montpellier, CNRS, ENSCM, 1919 Route de Mende, 34090 Montpellier, FranceICGM, University Montpellier, CNRS, ENSCM, 1919 Route de Mende, 34090 Montpellier, FranceDepartment Physics and Earth Sciences, University of Ferrara, Via Saragat 1, 44100 Ferrara, ItalyICGM, University Montpellier, CNRS, ENSCM, 1919 Route de Mende, 34090 Montpellier, FranceICGM, University Montpellier, CNRS, ENSCM, 1919 Route de Mende, 34090 Montpellier, FranceICGM, University Montpellier, CNRS, ENSCM, 1919 Route de Mende, 34090 Montpellier, FranceICGM, University Montpellier, CNRS, ENSCM, 1919 Route de Mende, 34090 Montpellier, FranceDepartment of Industrial Chemistry “Toso Montanari”, Alma Mater Studiorum-Università di Bologna, Viale Risorgimento 4, 40136 Bologna, ItalyDepartment Physics and Earth Sciences, University of Ferrara, Via Saragat 1, 44100 Ferrara, ItalyDepartment of Industrial Chemistry “Toso Montanari”, Alma Mater Studiorum-Università di Bologna, Viale Risorgimento 4, 40136 Bologna, ItalyICGM, University Montpellier, CNRS, ENSCM, 1919 Route de Mende, 34090 Montpellier, FranceICGM, University Montpellier, CNRS, ENSCM, 1919 Route de Mende, 34090 Montpellier, FranceThe thermal decomposition processes of coprecipitated Cu-Ni-Al and Cu-Ni-Fe hydroxides and the formation of the mixed oxide phases were followed by thermogravimetry and derivative thermogravimetry analysis (TG – DTG) and in situ X-ray diffraction (XRD) in a temperature range from 25 to 800 °C. The as-prepared samples exhibited layered double hydroxide (LDH) with a rhombohedral structure for the Ni-richer Al- and Fe-bearing LDHs and a monoclinic structure for the CuAl LDH. Direct precipitation of CuO was also observed for the Cu-richest Fe-bearing samples. After the collapse of the LDHs, dehydration, dehydroxylation, and decarbonation occurred with an overlapping of these events to an extent, depending on the structure and composition, being more pronounced for the Fe-bearing rhombohedral LDHs and the monoclinic LDH. The Fe-bearing amorphous phases showed higher reactivity than the Al-bearing ones toward the crystallization of the mixed oxide phases. This reactivity was improved as the amount of embedded divalent cations increased. Moreover, the influence of copper was effective at a lower content than that of nickel.https://www.mdpi.com/1996-1944/17/1/83layered double hydroxidesthermogravimetryin situ X-ray diffractiontenoritebunsenitespinel aluminate |
| spellingShingle | Iqra Zubair Awan Phuoc Hoang Ho Giada Beltrami Bernard Fraisse Thomas Cacciaguerra Pierrick Gaudin Nathalie Tanchoux Stefania Albonetti Annalisa Martucci Fabrizio Cavani Francesco Di Renzo Didier Tichit Composition Effect on the Formation of Oxide Phases by Thermal Decomposition of CuNiM(III) Layered Double Hydroxides with M(III) = Al, Fe Materials layered double hydroxides thermogravimetry in situ X-ray diffraction tenorite bunsenite spinel aluminate |
| title | Composition Effect on the Formation of Oxide Phases by Thermal Decomposition of CuNiM(III) Layered Double Hydroxides with M(III) = Al, Fe |
| title_full | Composition Effect on the Formation of Oxide Phases by Thermal Decomposition of CuNiM(III) Layered Double Hydroxides with M(III) = Al, Fe |
| title_fullStr | Composition Effect on the Formation of Oxide Phases by Thermal Decomposition of CuNiM(III) Layered Double Hydroxides with M(III) = Al, Fe |
| title_full_unstemmed | Composition Effect on the Formation of Oxide Phases by Thermal Decomposition of CuNiM(III) Layered Double Hydroxides with M(III) = Al, Fe |
| title_short | Composition Effect on the Formation of Oxide Phases by Thermal Decomposition of CuNiM(III) Layered Double Hydroxides with M(III) = Al, Fe |
| title_sort | composition effect on the formation of oxide phases by thermal decomposition of cunim iii layered double hydroxides with m iii al fe |
| topic | layered double hydroxides thermogravimetry in situ X-ray diffraction tenorite bunsenite spinel aluminate |
| url | https://www.mdpi.com/1996-1944/17/1/83 |
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