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New data on the competitive nanotechnologies for fabrication of fine-grained powder-like particles, films, bulk materials, nanocomposites, devices for microelectronics, nanoelectronics, photonics and photocatalysis are presented. The proposed nanotechnologies for electronics are much more advantageous and simpler than other expensive and complicated methods such as e-beam lithography, X-ray lithography or production of the devices using light phase shift photomasks. The mechanism of sensitization and activation was established. The proposed methods of metallization are widely used in electronics and instrument-making. As a result, Au, Ag and Pd were adequately replaced with the alloys of non-precious metals, the use of toxic substances was eliminated and the technology was significantly simplified.

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The competitive method of fabrication of thermo-absorbing meso- and nanosized magnetic particles was developed. Applications of high-dispersive magnetic particles could include information storage systems, biomedical fields, targeted delivery of drugs for cancer treatment, sensors, etc. By means of electroless deposition of nanoclusters on high-dispersive powder-like semiconductor TiO2 (anatase), some problems of fabrication of visible light-responsive photocatalysts are overcome or mitigated. A new method of size selection of pure TiO2 particles and micro-, meso- and nanocrystal-coated powder-like semiconductor photocatalysts with aim obtain of a uniform size distribution was developed. Catalysts Pd/γ-Al2O3, reduced in hydrogen flow, compare well with platinum catalysts by the activity in relation to breaking of bonds between carbons.