The objectives of the present work was the preparation of new hybrid guest-host nanocomposites based on semiconductive conjugated polymers, creation on their basis of materials for light-emitting diodes, analysis of photo- and electroluminescence properties of the polymers in confinement conditions.

In the present report the results connected with preparation and research of the structure of hybrid nanocomposites based on polymers of polyphenylenevinylene type and also mesoporous silicon dioxide and molybdenum oxide with the layered structure are presented. The possibility of forming nanocomposites possessing guest-host structure, when the macromolecules of the conjugated polymers are localized inside nanosized galleries or channels of the oxide matrix, is shown.

Considerable difference in spectra of optical absorption, photo- and electroluminescence of the prepared hybrid nanocomposites from similar properties of the neat conjugated polymers is established. The obtained results are interpreted on the basis of mainly straightened conformation of the polymer chains and weakening of intermolecular interaction due to the confinement influence of the inorganic matrix.

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