Experimental comparison of the effect of temperature on the vibrational and morphological properties of NixCo3-xO4 nanostructures

This work presents the experimental comparison of the effect of temperature and nickel addition on the synthesis of NixCo3-xO4 nanostructures x = 0.01, 0.04, 0.1, 0.16, using the sol-gel technique with final heat treatment at 600 °C and 800°C. X-ray diffraction (XRD) analysis indicates the formation...

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Autores: Cardenas Flechas, Leydi Julieta, Xuriguera Martín, María Elena, Padilla Sánchez, José Antonio, Chimenos Ribera, Josep Ma., Rincon Joya, Miryam
Tipo de recurso: artículo
Estado:Versión aceptada para publicación
Fecha de publicación:2021
País:España
Institución:Universidad de Barcelona
Repositorio:Dipòsit Digital de la UB
OAI Identifier:oai:diposit.ub.edu:2445/179432
Acceso en línea:https://hdl.handle.net/2445/179432
Access Level:acceso abierto
Palabra clave:Níquel
Nanoestructures
Cobalt
Nickel
Nanostructures
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spelling Experimental comparison of the effect of temperature on the vibrational and morphological properties of NixCo3-xO4 nanostructuresCardenas Flechas, Leydi JulietaXuriguera Martín, María ElenaPadilla Sánchez, José AntonioChimenos Ribera, Josep Ma.Rincon Joya, MiryamNíquelNanoestructuresCobaltNickelNanostructuresCobaltThis work presents the experimental comparison of the effect of temperature and nickel addition on the synthesis of NixCo3-xO4 nanostructures x = 0.01, 0.04, 0.1, 0.16, using the sol-gel technique with final heat treatment at 600 °C and 800°C. X-ray diffraction (XRD) analysis indicates the formation of pure Co3O4 at 600 °C and the appearance of an additional residual NiO phase at 800 °C. The presence of this phase evidences a deviation in the peaks of the diffraction angle to lower ones generated by the difference in ionic radii, which is related to the insertion of larger ions (Ni2+) doped in the matrix of Co3O4. Scanning electron microscope (SEM) analysis indicates that there is a densification of the grains at higher temperatures, possibly associated with the thermal effect that generates greater interdiffusion. Fourier-transform infrared spectroscopy (FTIR) spectra show two main absorption bands with vibrations Co2+¬O, Co3+¬O and Ni¬O in 456 cm-1. The effect of doping generates a displacement in the bands that are evident in the Raman analysis, where the vibrational mode A1g at 600 °C is translated 28.07 cm-1. The values of SBET specific surface area indicate that as temperature increases, the surface area and volume of micropores decreases.Elsevier B.V.2021info:eu-repo/semantics/articleinfo:eu-repo/semantics/acceptedVersionapplication/pdfhttps://hdl.handle.net/2445/179432Articles publicats en revistes (Ciència dels Materials i Química Física)reponame:Dipòsit Digital de la UBinstname:Universidad de BarcelonaInglésVersió postprint del document publicat a: https://doi.org/10.1016/j.matlet.2021.130477Materials Letters, 2021, vol. 303, p. 130477-1-130477-4https://doi.org/10.1016/j.matlet.2021.130477cc-by-nc-nd (c) Elsevier B.V., 2021https://creativecommons.org/licenses/by-nc-nd/4.0/info:eu-repo/semantics/openAccessoai:diposit.ub.edu:2445/1794322026-05-27T06:46:51Z
dc.title.none.fl_str_mv Experimental comparison of the effect of temperature on the vibrational and morphological properties of NixCo3-xO4 nanostructures
title Experimental comparison of the effect of temperature on the vibrational and morphological properties of NixCo3-xO4 nanostructures
spellingShingle Experimental comparison of the effect of temperature on the vibrational and morphological properties of NixCo3-xO4 nanostructures
Cardenas Flechas, Leydi Julieta
Níquel
Nanoestructures
Cobalt
Nickel
Nanostructures
Cobalt
title_short Experimental comparison of the effect of temperature on the vibrational and morphological properties of NixCo3-xO4 nanostructures
title_full Experimental comparison of the effect of temperature on the vibrational and morphological properties of NixCo3-xO4 nanostructures
title_fullStr Experimental comparison of the effect of temperature on the vibrational and morphological properties of NixCo3-xO4 nanostructures
title_full_unstemmed Experimental comparison of the effect of temperature on the vibrational and morphological properties of NixCo3-xO4 nanostructures
title_sort Experimental comparison of the effect of temperature on the vibrational and morphological properties of NixCo3-xO4 nanostructures
dc.creator.none.fl_str_mv Cardenas Flechas, Leydi Julieta
Xuriguera Martín, María Elena
Padilla Sánchez, José Antonio
Chimenos Ribera, Josep Ma.
Rincon Joya, Miryam
author Cardenas Flechas, Leydi Julieta
author_facet Cardenas Flechas, Leydi Julieta
Xuriguera Martín, María Elena
Padilla Sánchez, José Antonio
Chimenos Ribera, Josep Ma.
Rincon Joya, Miryam
author_role author
author2 Xuriguera Martín, María Elena
Padilla Sánchez, José Antonio
Chimenos Ribera, Josep Ma.
Rincon Joya, Miryam
author2_role author
author
author
author
dc.subject.none.fl_str_mv Níquel
Nanoestructures
Cobalt
Nickel
Nanostructures
Cobalt
topic Níquel
Nanoestructures
Cobalt
Nickel
Nanostructures
Cobalt
description This work presents the experimental comparison of the effect of temperature and nickel addition on the synthesis of NixCo3-xO4 nanostructures x = 0.01, 0.04, 0.1, 0.16, using the sol-gel technique with final heat treatment at 600 °C and 800°C. X-ray diffraction (XRD) analysis indicates the formation of pure Co3O4 at 600 °C and the appearance of an additional residual NiO phase at 800 °C. The presence of this phase evidences a deviation in the peaks of the diffraction angle to lower ones generated by the difference in ionic radii, which is related to the insertion of larger ions (Ni2+) doped in the matrix of Co3O4. Scanning electron microscope (SEM) analysis indicates that there is a densification of the grains at higher temperatures, possibly associated with the thermal effect that generates greater interdiffusion. Fourier-transform infrared spectroscopy (FTIR) spectra show two main absorption bands with vibrations Co2+¬O, Co3+¬O and Ni¬O in 456 cm-1. The effect of doping generates a displacement in the bands that are evident in the Raman analysis, where the vibrational mode A1g at 600 °C is translated 28.07 cm-1. The values of SBET specific surface area indicate that as temperature increases, the surface area and volume of micropores decreases.
publishDate 2021
dc.date.none.fl_str_mv 2021
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/acceptedVersion
format article
status_str acceptedVersion
dc.identifier.none.fl_str_mv https://hdl.handle.net/2445/179432
url https://hdl.handle.net/2445/179432
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv Versió postprint del document publicat a: https://doi.org/10.1016/j.matlet.2021.130477
Materials Letters, 2021, vol. 303, p. 130477-1-130477-4
https://doi.org/10.1016/j.matlet.2021.130477
dc.rights.none.fl_str_mv cc-by-nc-nd (c) Elsevier B.V., 2021
https://creativecommons.org/licenses/by-nc-nd/4.0/
info:eu-repo/semantics/openAccess
rights_invalid_str_mv cc-by-nc-nd (c) Elsevier B.V., 2021
https://creativecommons.org/licenses/by-nc-nd/4.0/
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Elsevier B.V.
publisher.none.fl_str_mv Elsevier B.V.
dc.source.none.fl_str_mv Articles publicats en revistes (Ciència dels Materials i Química Física)
reponame:Dipòsit Digital de la UB
instname:Universidad de Barcelona
instname_str Universidad de Barcelona
reponame_str Dipòsit Digital de la UB
collection Dipòsit Digital de la UB
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15,301603

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