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Multifunctional Polymers and Polymeric Nanocomposites


Multifunctional Polymers and Polymeric Nanocomposites for Opto- and Microelectronics

Tech Area / Field

  • MAT-COM/Composites/Materials
  • MAT-ELE/Organic and Electronics Materials/Materials
  • NNE-SOL/Solar Energy/Non-Nuclear Energy

8 Project completed

Registration date

Completion date

Senior Project Manager
Zalouzhny A A

Leading Institute
Institute of Physical Chemistry and Electrochemistry, Russia, Moscow

Supporting institutes

  • Institute of Biochemical Physics, Russia, Moscow


  • University of Applied Sciences, Austria, Wels\nUniversite d'Angers, France, Angers\nChalmers University of Technology / Department of Polymeric Materials, Sweden, Göteborg

Project summary

This Project is aimed at the extensive investigation of the multifunctional polymers and nanocomposites suitable for use in opto- and microelectronics. Fundamental studies of various physical and chemical properties of the materials as well as search for the opportunities for applications will be carried out. Basic properties giving a possibility for a wide use of these materials are: electric conductivity, non-linear optical properties, possibility of modification etc.

At present, the most promising area of the use of these materials is the development of light-emitting diodes (LEDs) with the Holy Grail being the manufacture of flexible large area displays. The most important results, obtained in the framework of the ISTC Project 872, which form a solid basis for further development in this area, are:

– It was found that J-aggregates formed by cyanine dyes in the polyimide matrix produce a narrow band efficient electrolumenescence, thus providing an excellent opportunity for their use in LEDs.

– A proper treatment of the polyaniline films leads to the formation of structures of various sizes, spanning a range from nanometers to microns, and consisting of domains of polyaniline having different oxidizing levels. These domains have very different conducting properties, thus it is possible to exploit this phenomenon for designing various conducting elements of displays (with inorganic compounds such as various sulphides and oxides serving as light emitting components).

These results will be used as a starting point for the development of materials for electroluminescent and electrochromic displays. Significant attention will be paid to the investigation of nanocomposite materials having nanoparticles of inorganic materials (oxides, sulphides, etc) embedded in the matrix of conducting polymer. Recently it was reported that nanoparticles significantly improve electroluminescent properties of LEDs (increase in current and brightness up to two orders of magnitude). Additional purpose of the Project is an investigation of photovoltaic properties of polymer composites in order to develop organic solar cells with high efficiency (about 5%).

One of the most interesting results of Project 872 was development of the method of photochemical modification of polymer films that offers a possibility to create patterns having useful nonlinear optical properties (second harmonics generation, photorefraction etc). This method is promising for a photochemical fabrication of NLO microcomponents in thin polymer matrices. Photorefracting polymers attract a good deal of attention nowadays for their possible use in optoelectronics. We are going to carry out an extensive study of such materials with the ultimate aim to develop a basis for a photolitographic technology permitting to create photorefractive images with the resolution of about 1 micron. These materials may be of great value for the development of optoelectronic devices.

An integral part of the Project is a theoretical investigation of the charge carrier injection, transport, and recombination in devices having organic transport layers. Various analytical and computer simulation methods, developed in the framework of Project 872, will be used to attack this problem. Project 872 demonstrated an important progress in our knowledge of the charge carrier transport in disordered organic materials. It was found that the spatial correlation in the distribution of energies of transport sites efficiently governs major features of transport in a wide variety of organic materials: polar materials, non-polar materials, materials with traps etc. In the proposed Project the main attention will be focused on the study of transport devices with rough metallic electrodes and on the effect of static and movable charges on the transport properties of organic materials.

We believe that successful realization of the proposed Project will lead both to the increase of a fundamental knowledge of the properties of conducting polymers and nanocomposites and to promising applications of these materials.


The International Science and Technology Center (ISTC) is an intergovernmental organization connecting scientists from Kazakhstan, Armenia, Tajikistan, Kyrgyzstan, and Georgia with their peers and research organizations in the EU, Japan, Republic of Korea, Norway and the United States.


ISTC facilitates international science projects and assists the global scientific and business community to source and engage with CIS and Georgian institutes that develop or possess an excellence of scientific know-how.

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