Nanostructured materials have already become a subject of active researches in solid state chemistry and physics. Special attention is devoted to hybrid nanocomposites based on conducting conjugated polymers due to unique combination of physical and chemical properties this class of organic materials possesses.
Various methods for preparation of guest-host nanocomposites based on conducting polymers (polyaniline, polypyrrole, polythiophenes, etc.) and transition metal oxides (vanadium, molybdenum, manganese) are considered. Structural and spectroscopic data provide evidence for polymer insertion inside the interlayer galleries of inorganic nanoparticles. Mechanism of polymer intercalation is presented. Structure-property relationships are analyzed. Charge-discharge characteristics of the nanocomposites are discussed.
Conducting polymer sensor array with a set of sensitive polyaniline and polypyrrole films doped with different dopants is described. The array consists of polymeric sensors based on the interdigitated gold electrode systems on the glassceramic substrate. The thin polyaniline or polypyrrole films were electrochemically deposited on gold electrodes using addressable polymerization of each element of array with various doping agents and conditions of electrodeposition. Employment of different heteropolyacids as dopants together with a set of simple doping acids provides a wide range of sensitivities for individual sensor elements. The effect of the polymer nature on the sensor response is discussed. Principal Component Analysis performed over sensor array data was used to separate samples of different organic vapors (10 species of different nature) by their images.

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1. Photo- and electroluminescence properties of hybrid nanocomposites based on conjugated polymers