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Title: Nanostructured thin films obtained from Fischer aminocarbene complexes
Author: Lazo-Jiménez, Rosa E.
Ortega-Alfaro, M. Carmen
López-Cortés, José G.
Alvarez-Toledano, Cecilio
Chávez-Carvayar, José A.
Ignés i Mullol, Jordi
González-Torres, Maykel
Carreón-Castro, Pilar
Keywords: Pel·lícules fines
Compostos carbonílics
Thin films
Carbonyl compounds
Issue Date: 4-Mar-2016
Publisher: MDPI
Abstract: The synthesis of four amphiphilic organometallic complexes with the general formula RC = M(CO)5NH(CH2)15CH3, where R is a ferrocenyl 2(a-b) or a phenyl 4(a-b) group as a donor moiety and a Fischer carbene of chromium (0) or tungsten (0) as an acceptor group, are reported. These four push-pull systems formed Langmuir (L) monolayers at the air-water interface, which were characterized by isotherms of surface pressure versus molecular area and compression/expansion cycles (hysteresis curves); Brewster angle microscopic images were also obtained. By using the Langmuir-Blodgett (LB) method, molecular monolayers were transferred onto glass substrates forming Z-type multilayers. LB films were characterized through ultraviolet-visible spectroscopy, atomic force microscopy and X-ray diffraction techniques. Results indicated that films obtained from 2b complex [(Ferrocenyl)(hexadecylamine)methylidene] pentacarbonyl tungsten (0) are the most stable and homogeneous; due to their properties, these materials may be incorporated into organic electronic devices.
Note: Reproducció del document publicat a:
It is part of: Materials, 2016, vol. 9, num. 3, p. 167-1-167-15
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ISSN: 1996-1944
Appears in Collections:Articles publicats en revistes (Ciència dels Materials i Química Física)

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