Search Results - "Constantino, V.R.L."

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    Probing the Indigo Molecule in Maya Blue Simulants with Resonance Raman Spectroscopy by Bernardino, N. D, Constantino, V. R. L, de Faria, D. L. A

    Published in Journal of physical chemistry. C (31-05-2018)
    “…Maya blue (MB) simulants were prepared from mixtures of indigo and palygorskite (ind–paly) and investigated by resonance Raman and UV–vis absorption…”
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    Journal Article
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    Intralamellar structural modifications related to the proton exchanging in KNbO layered phase by Bizeto, M.A., Leroux, F., Shiguihara, A.L., Temperini, M.L.A., Sala, O., Constantino, V.R.L.

    “…Basic structural aspects about the layered hexaniobate of KNbO composition and its proton-exchanged form were investigated mainly by spectroscopic techniques…”
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    Intralamellar structural modifications related to the proton exchanging in K 4Nb 6O 17 layered phase by Bizeto, M.A., Leroux, F., Shiguihara, A.L., Temperini, M.L.A., Sala, O., Constantino, V.R.L.

    “…Basic structural aspects about the layered hexaniobate of K 4Nb 6O 17 composition and its proton-exchanged form were investigated mainly by spectroscopic…”
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    Journal Article
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    Spectroscopic investigation of the interactions between emeraldine base polyaniline and Eu(III) ions by Izumi, Celly M.S., Brito, Hermi F., Ferreira, Ana Maria D.C., Constantino, Vera R.L., Temperini, Marcia L.A.

    Published in Synthetic metals (01-03-2009)
    “…The interactions of emeraldine base form of polyaniline (EB-PANI) and Eu(III) ions in 1-methyl-2-pyrrolidinone (NMP) solution and in films have been…”
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    Photoluminescence study of layered niobates intercalated with Eu 3+ ions by Constantino, V.R.L., Bizeto, M.A., Brito, H.F.

    Published in Journal of alloys and compounds (1998)
    “…In the present work the lamellar phases of composition K 4Nb 6O 17, KNb 3O 8 and KCa 2Nb 3O 10 were used as precursors to prepare new compounds through the…”
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