Please use this identifier to cite or link to this item: http://www.repositorio.ufop.br/jspui/handle/123456789/14220
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dc.contributor.authorSilva, Maíra Vieira da-
dc.contributor.authorOliveira, Daynara Faustina Moreira de-
dc.contributor.authorOliveira, Henrique dos Santos-
dc.contributor.authorSiqueira, Kisla Prislen Félix-
dc.date.accessioned2021-12-14T16:48:27Z-
dc.date.available2021-12-14T16:48:27Z-
dc.date.issued2020pt_BR
dc.identifier.citationSILVA, M. V. da et al. Influence of temperature on the structural and color properties of nickel molybdates. Materials Research Bulletin, v. 122, artigo 110665, 2020. Disponível em: <https://www.sciencedirect.com/science/article/abs/pii/S0025540819320380>. Acesso em: 10 jun. 2021.pt_BR
dc.identifier.issn0025-5408-
dc.identifier.urihttp://www.repositorio.ufop.br/jspui/handle/123456789/14220-
dc.description.abstractIn this work, nickel molybdates were synthesized by co-precipitation method, at 70 °C, and were thermally treated at temperatures ranging from 300 to 1000 °C. Firstly, the hydrated precursor (NiMoO4.0.65H2O) was obtained, followed by calcination at 300–600 °C to produce a mixture of β- and α-NiMoO4 phases. The pure α phase could only be obtained above 700 °C. The relationships among the crystal structure, colorimetric parameters, and spectroscopic properties (Raman and UV–vis diffuse reflectance) of the NiMoO4 were in vestigated. Although the thermochromic β phase was not obtained in the pure form, the heat treatments enabled tuning of the band gaps of the materials, with the color changing from yellow to greenish-yellow and the band gap changing from 3.23 to 2.33 eV. The colorimetric parameters (L*a*b*) were determined and the coloring performances of the NiMoO4 materials were evaluated by incorporating them into a clear polymer substrate material.pt_BR
dc.language.isoen_USpt_BR
dc.rightsrestritopt_BR
dc.subjectCeramicspt_BR
dc.subjectChemical synthesispt_BR
dc.subjectX-ray diffractionpt_BR
dc.subjectColor centerspt_BR
dc.subjectCrystal structurept_BR
dc.titleInfluence of temperature on the structural and color properties of nickel molybdates.pt_BR
dc.typeArtigo publicado em periodicopt_BR
dc.identifier.uri2https://www.sciencedirect.com/science/article/abs/pii/S0025540819320380pt_BR
dc.identifier.doihttps://doi.org/10.1016/j.materresbull.2019.110665pt_BR
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