Synthesis and electrical, spectroscopic and nonlinear optical properties of cobalt molecular materials obtained from PcCo(CN)L (L = ethylenediamine, 1,4-diaminebutane, 1,12-diam
Por:
Morales-Saavedra O.G., Sánchez-Vergara M.E., Rodríguez-Rosales A.A., Ortega-Martínez R., Ortiz-Rebollo A., Frontana-Uribe B.A., García-Montalvo V.
Publicada:
1 oct 2010
Resumen:
Novel PcCo(CN)L monomeric complexes were synthesized from [PcCoCN](n) compounds and bidentate axial ligands (L) such as ethylenediamine, 1,4-diaminebutane, 1,12-diaminedodecane and 2,6-diamineanthraquinone. These complexes were implemented to fabricate pellets and thin films by the vacuum thermal evaporation technique. The obtained compounds and deposited thin films were characterized by different spectroscopic techniques. Measurements of the electrical conductivity and the electrical current as a function of temperature were also carried out. IR-spectroscopy studies showed that the ligand attaches to the [PcCoCN](n) unit. The C=N vibrational band is found in the PcCo(et)CN and PcCo(bu)CN molecular solids, although it is displaced with respect to other reported values. Compounds PcCo(do)(2) and PcCo(an)(2) do not show C=N vibrational bands. This fact suggests a double bond between the ligand and the macrocycle and a coordination at the fifth and sixth position on the Co(III) atom. UV-v
Filiaciones:
Univ Nacl Autonoma Mexico, Lab Nonlinear Opt, Ctr Ciencias Aplicadas & Desarrollo Tecnol, CCADET UNAM, Mexico City 04510, DF, Mexico
Univ Nacl Autonoma Mexico, Inst Invest Mat, Mexico City 04510, DF, Mexico
UAEM UNAM, Ctr Conjunto Invest Quim Sustentable, Toluca 50200, Estado Mexico, Mexico
Univ Nacl Autonoma Mexico, Inst Quim, Mexico City 04510, DF, Mexico
Coordinación de Ingeniería Mecatrónica, Facultad de Ingeniería, Universidad Anahuac Del Norte, Avenida Universidad Anahuac 46, 52786 Huixquilucan, Estado de México, Mexico
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