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Organized Molecular Assemblies based on Ferrocenyl Derivatives

Published online by Cambridge University Press:  16 March 2015

Rosa E. Lazo-Jiménez ,
José G. López- Cortés ,
José A. Chávez-Carvayar ,
Jordi Ignés-Mullol ,
Francesc Sagués ,
María C. Ortega-Alfaro  and
María Pilar Carreón-Castro
Rosa E. Lazo-Jiménez
Affiliation:
Instituto de Ciencias Nucleares, Universidad Nacional Autónoma de México (UNAM), Circuito Exterior, C.P. 04510, Ciudad Universitaria. D.F., México.
José G. López- Cortés
Affiliation:
Instituto de Química, Universidad Nacional Autónoma de México (UNAM), Circuito Exterior, C.P. 04510, Ciudad Universitaria. D.F., México.
José A. Chávez-Carvayar
Affiliation:
Instituto de Investigaciones en Materiales, Universidad Nacional Autónoma de México (UNAM), Circuito Exterior, C.P. 04510, Ciudad Universitaria. D.F., México.
Jordi Ignés-Mullol
Affiliation:
Department of Chemistry-Physics, IN2UB, University of Barcelona, Spain.
Francesc Sagués
Affiliation:
Department of Chemistry-Physics, IN2UB, University of Barcelona, Spain.
María C. Ortega-Alfaro
Affiliation:
Instituto de Ciencias Nucleares, Universidad Nacional Autónoma de México (UNAM), Circuito Exterior, C.P. 04510, Ciudad Universitaria. D.F., México.
María Pilar Carreón-Castro
Affiliation:
Instituto de Ciencias Nucleares, Universidad Nacional Autónoma de México (UNAM), Circuito Exterior, C.P. 04510, Ciudad Universitaria. D.F., México.
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Abstract

Organic films with a thickness of few nanometers are potentially useful components in many practical and commercial applications such as sensors, detectors, displays and electronic circuit components. In this context, the Langmuir-Blodgett (LB) method is one the most promising techniques for preparing these films.

In this work, we report the synthesis and characterization of three new amphiphilic organometallic compounds with ferrocene units, which consist of one ferrocenyl aminocarbene with the general formula FcC=Cr(CO)5NH(CH2)15CH3, and two ferrocenyl amides with the general formula FcC=MNH(CH2)15CH3 where M = S or Se. These new derivatives have been synthesized to study the influence of long alkyl side chain and the hydrophilic head on the film organization behavior at the air-water interface.

The Langmuir-Blodgett (LB) technique was focused for building ordered nanostructures in molecular assemblies of ferrocenyl derivatives, which are apt to form a stable and transferable monolayer film. The π-A isotherm, hysteresis, Brewster angle microscopy (BAM) and film stability were used to characterize the behavior of a monolayer film at the air-water interface. Z- type LB films were prepared from molecular monolayers which were transferred onto glass substrates. These films were characterized by atomic force microscopy (AFM), UV-Visible spectra and X-ray diffraction (DRX) techniques.

Keywords

macromolecular structurefilmorganometallic
Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 1767: Symposium 5C – New Trends in Polymer Chemistry and Characterization , 2015 , pp. 23 - 33
Copyright
Copyright © Materials Research Society 2015 

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References

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