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Nanostructured Thin Films Obtained from Fischer Aminocarbene Complexes.


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.

SUBMITTER: Lazo-Jimenez RE 

PROVIDER: S-EPMC5456707 | biostudies-other | 2016 Mar

REPOSITORIES: biostudies-other

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