Donor-Acceptor Interactions Research Group
The work of the scientific group is associated with the synthesis and characterization of donor-acceptor (DA) complexes in all aggregate states: in the solid, gas and liquid phase. In particular, the structural features of DA complexes, their thermal stability and the processes under heating, donor-acceptor stabilization of small molecules and inorganic heterocycles, gas-phase reactions involving DA complexes, and chemical deposition from the gas phase are studied.
High Temperature Mass Spectrometry Group
Research activity of the group is aimed at the study of the thermodynamic properties of gaseous oxyacid salts and complex oxide systems allowing to improve the existing thermodynamic databases and essential for the development of new inorganic composites with special thermal properties.
The following lines are developed: mass spectrometric study of the vaporization processes of inorganic compounds at temperatures up to 3000 K; determining of the thermodynamic properties of gaseous oxides of chemical elements and of the oxyacid salts; vaporization processes and thermal destruction of heat-resistant construction materials; determining of molecular masses and structures of different compounds, including inorganic adducts, and calculation of energies of chemical bonds.
Solid State Magnetochemistry Group
Complex oxide systems, their electron structure, magnetic and electrical properties are studied. In particular these are the structures of perovskite-like oxide systems demonstrating practically important physical properties, namely colossal magnetoresistance and electron-ionic conductivity and optimizing the composition of ceramic materials based on them.
Synthesis and Investigation of Nanoparticles and Nanostructured Materials Group
The main focuses of scientific work are the studying of the mechanism of nanoparticles formation in aqueous and non-aqueous solutions, and the using of heteroepitaxial processes and surfactants for regulation of the stage of nucleation and breakage of the chain of chemical transformations.
In particular, the following trends are under study: regulation of magnetic and physico-chemical properties of CrO2 nanopowders for magnetic registering media and electronics; magnetic nanoparticles (γ-Fe2O3, Fe3O4) for biomedical applications (magnetic resonance imaging, hyperthermia); research of synthesis methods of the obtaining of metallic and polymetallic nanoparticles (Ni, Fe and other) with the desired characteristics for magnetic recording media and catalysis; synthesis of hydroxyapatite nanoparticles with various morphology for bone tissue engineering; research of synthesis methods of VO2 nanoparticles of various size and studying of characteristics of semimetal- metal phase transition in nano-size materials.
Luminescent Transition Metal Complexes Group
Group site tmc-lab.chem.spbu.ru
The group develops investigations in the design and the controlled synthesis of luminescent transition metal complexes with desired properties for biological and biomedical applications and the design of luminescent molecules for single-molecule-based (SMB) materials. These studies include the synthesis of ligands and complexes, their structural characterization using modern spectral methods, studies of electronic structure, the study of photophysical properties and the state-of-art for application in biomedical imaging, in the creation of electroluminescent devices, sensors, etc.
Solution Chemistry Group
Different aspects of chemistry of aqueous and non-aqueous electrolyte solutions are studied including the effect of interactions in solutions on the solid phase formation, composition and structure of compounds equilibrated with liquid phase.
The following trends are mainly under study: solvatation, hydrolysis and complex formation in electrolyte solutions; structure of aqueous electrolyte solutions; microheterogenity phenomena in concentrated solutions; effect of interactions in solutions on solid phase formation; molecular spectroscopy (IR, Raman) of aqueous solutions; bioinorganic chemistry; interaction of metal ions with nucleic acids; chemometric analysis of experimental data.