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Molecularly organized Langmuir-Blodgett films from a ruthenium biphosphine complex

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dc.contributor.authorWohnrath, K.
dc.contributor.authorConstantino, CJL
dc.contributor.authorAntunes, P. A.
dc.contributor.authordos Santos, P. M.
dc.contributor.authorBatista, A. A.
dc.contributor.authorAroca, R. F.
dc.contributor.authorOliveira, O. N.
dc.contributor.institutionUniv Estadual Ponta Grossa
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionUniv Windsor
dc.contributor.institutionUniversidade de São Paulo (USP)
dc.date.accessioned2014-05-20T13:22:54Z
dc.date.available2014-05-20T13:22:54Z
dc.date.issued2005-03-24
dc.description.abstractLangmuir-Blodgett (LB) films from a ruthenium complex mer-[RuCl3 (dppb)(4-Mepy)] (dppb = PPh2 (CH2)(4)-PPh2; 4-Mepy = 4-methylpyridine), termed Ru-Pic, display a distinct color, which is different from the coloration exhibited by cast films or chloroform solutions. The solution and cast films are red, while the LB films are green-bluish. The manifestation of the blue color in the LB film finds its explanation in a unique absorption band at 690 nm, which is associated with the oxidation of the phosphine moieties. Fluorescence emission and absorption-reflection infrared spectroscopy measurements revealed the molecular organization in the LB films. In contrast, cast films showed a random distribution of complexes. Surface-enhanced Raman scattering was also used in an attempt to identify the main interactions in Ru-Pic.en
dc.description.affiliationUniv Estadual Ponta Grossa, Dept Quim, Ponta Grossa, PR, Brazil
dc.description.affiliationUNESP, FCT, Dept Fis Quim & Biol, Presidente Prudente, SP, Brazil
dc.description.affiliationUniv Windsor, Sch Phys Sci, Mat & Surface Sci Grp, Windsor, ON N9B 3P4, Canada
dc.description.affiliationUniv São Paulo, Inst Fis Sao Carlos, Sao Carlos, SP, Brazil
dc.description.affiliationUnespUNESP, FCT, Dept Fis Quim & Biol, Presidente Prudente, SP, Brazil
dc.format.extent4959-4964
dc.identifierhttp://dx.doi.org/10.1021/jp048941b
dc.identifier.citationJournal of Physical Chemistry B. Washington: Amer Chemical Soc, v. 109, n. 11, p. 4959-4964, 2005.
dc.identifier.doi10.1021/jp048941b
dc.identifier.issn1520-6106
dc.identifier.urihttp://hdl.handle.net/11449/6794
dc.identifier.wosWOS:000227734500024
dc.language.isoeng
dc.publisherAmer Chemical Soc
dc.relation.ispartofJournal of Physical Chemistry B
dc.relation.ispartofjcr3.146
dc.relation.ispartofsjr1,331
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.titleMolecularly organized Langmuir-Blodgett films from a ruthenium biphosphine complexen
dc.typeArtigo
dcterms.licensehttp://pubs.acs.org/paragonplus/copyright/jpa_form_a.pdf
dcterms.rightsHolderAmer Chemical Soc
dspace.entity.typePublication
unesp.author.orcid0000-0002-2295-859X[4]
unesp.author.orcid0000-0002-5399-5860[7]
unesp.campusUniversidade Estadual Paulista (UNESP), Faculdade de Ciências e Tecnologia, Presidente Prudentept
unesp.departmentFísica, Química e Biologia - FCTpt

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Presidente Prudente - FCT - Faculdade de Ciências e Tecnologia