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Doctoral Thesis
DOI
10.11606/T.46.2008.tde-22122008-090530
Document
Author
Full name
Aline Moreno Chagas Assumpção
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Paulo, 2008
Supervisor
Committee
Toma, Henrique Eisi (President)
Ferreira, Ana Maria da Costa
Machado, Sérgio de Paula
Silva, Denise de Oliveira
Tubino, Matthieu
Title in Portuguese
Desenvolvimento de nanossistemas supramoleculares baseados em complexos terpiridínicos de ferro(II)
Keywords in Portuguese
Complexos de ferro(II)
Compostos inorgânicos
Ferro
Materiais nanoestruturados (Desenvolvimento)
Nanotecnologia
Química supramolecular
Terpiridinas
Abstract in Portuguese
A química supramolecular representa o caminho mais promissor na rota de desenvolvimento da nanotecnologia devido à maneira especial com que diferentes moléculas interagem, trocando informações e criando estruturas organizadas. Esta tese pretende contribuir para este campo de pesquisa, através do estudo de três derivados terpiridínicos funcionalizados e seus complexos de ferro(II): 4'-(3- tienil)- 2,2':6',2''-terpiridina (titpy), [Fe(titpy)2]2+; 4'-(4'-(fenil)- 2,2':6',2''-terpiridina (phtpy), [Fe(phtpy)2]2+ e 4'-(4-bromo-fenil)-2,2':6',2''-terpiridina (Br-phtpy), [Fe(Brphtpy)2]2+. A investigação desses complexos foi realizada por métodos espectroscópicos, físico-químicos e computacionais. As propriedades dos complexos sintetizados foram exploradas empregando o conceito de química supramolecular, através da interação dos mesmos com β-ciclodextrina, matriz de gel de pentóxido de vanádio e nanopartículas de ouro. Os novos materiais gerados apresentaram características que tornam possível a sua aplicação em diferentes áreas como: dosimetria UV-Vís, materiais para baterias e armazenamento de cargas e nanoestruturas organizadas.
Title in English
Development of supramolecular nanosystems based on iron(II) terpyridine complexes
Keywords in English
Inorganic compounds
Iron(II) complexes
Nanotechnology
Supramolecular chemistry
Terpyridines
Abstract in English
Supramolecular chemistry is the most promising path on the development of nanotechnology. This is due to the special way that different molecules interact, exchanging information and generating organized structures. This PhD thesis intends to contribute in the supramolecular research field, with the study of three functionalized terpyridines derivates and the correlated iron(II) complexes: 4'-(3-thienyl)-2,2':6',2''-terpyridine, (titpy), [Fe(titpy)2]2+; 4'-(4'-(phenyl)- 2,2':6',2''-terpirydine (phtpy), [Fe(phtpy)2]2+ and 4'-(4-bromophenyl)-2,2':6',2''- terpirydine (Br-phtpy), [Fe(Br-phtpy)2]2+. The investigations of the prepared compounds were done by spectroscopy, physicochemical and computational methods. The properties of the synthesized complexes were exploited in the supramolecular chemistry sense by the interactions of those compounds with α-cyclodextrin, vanadium pentoxide gel matrix and gold nanoparticles. The originated materials presented features that make possible the employment of them in distinct areas such: UV-Vis dosimeter, batteries and charge storage, and organized nanostructures
 
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Publishing Date
2009-03-04
 
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