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1.
E. M. Glebov V. P. Grivin V. F. Plyusnin A. V. Udaltsov 《Journal of Structural Chemistry》2006,47(3):476-483
Interaction between MnCl2 and diethylamine (DEA) in aqueous solutions has been studied by UV, IR, and EPR spectroscopy as part of the design and research program on models of natural photosystems. The composition of the precipitate for comparable concentrations of reagents and solute oxygen has been investigated. Mn(II) was found to be oxidized with oxygen to give MnO2·H2O as a precipitate. In the solution over the precipitate, Mn(III) complexes with DEA are formed; the complex molecule has four and six amine molecules in the coordination sphere. 相似文献
2.
Gosteva Alevtina N. Plyusnin Pavel E. Semushina Yulya P. Pechenyuk Sofiya I. Filatov Evgeny Yu. Kyrtova Olga Yu. 《Journal of Thermal Analysis and Calorimetry》2018,134(1):253-260
Journal of Thermal Analysis and Calorimetry - The thermal behavior of double complex compounds (DCC) [Cr(ur)6][Co(CN)6]·4H2O (I), [Cr(ur)6][Co(C2O4)3]·3.5H2O (II),... 相似文献
3.
A. I. Bulavchenko M. G. Demidova P. S. Popovetskiy T. Yu. Podlipskaya P. E. Plyusnin 《Russian Journal of Physical Chemistry A, Focus on Chemistry》2017,91(8):1493-1501
It is shown by physicochemical means (IR Fourier spectroscopy, CHN-analysis with preliminary sorption of surfactant on SiO2) that the content of sodium bis(2-ethylhexyl)sulfosuccinate (AOT) in an electrophoretic concentrate remains unchanged during the electrophoretic concentration of silver and gold nanoparticles. Diluting the concentrate and carrying out the second stage of electrophoresis reduces the concentration of surfactant from 0.25 to 0.015 M while maintaining the mass concentration of nanoparticles. Nanoparticles in organosols before and after electrophoresis are characterized by means of photon correlation spectroscopy, phase analysis light scattering, and spectrophotometry. Conducting films on glass substrates are obtained from concentrates with a different contents of surfactant via water–alcohol treatment and thermolysis. 相似文献
4.
I. P. Pozdnyakov F. Wu A. A. Melnikov V. P. Grivin N. M. Bazhin S. V. Chekalin V. F. Plyusnin 《Russian Chemical Bulletin》2013,62(7):1579-1585
Photochemistry of a 1: 1 FeIII-lactic acid complex, [Fe(Lact)]+, in aqueous solutions was studied by stationary photolysis, nanosecond laser flash photolysis (355 nm, 6 ns), and femtosecond pump-probe spectroscopy (400 nm, 200 fs). The quantum yield of photolysis of [Fe(Lact)]+ upon excitation at 355 nm is 0.4 and 0.22 in the deoxygenated and air-saturated solutions, respectively. Weak transient absorption in the range 500–750 nm was observed in the nanosecond experiments. It was assigned to a [FeII...-O-CH(Me)-COO·]+ radical complex. The spectral properties of the ligand-to-metal charge transfer excited state and the characteristic time of formation of the radical complex (1.5 ps) were determined in the femtosecond spectroscopy experiments. A reaction mechanism was proposed, which involves inner-sphere electron transfer in the excited complex with the formation of a radical complex [FeII...-O-CH(Me)-COO·]+ and its subsequent transformation to the end product of the photochemical reaction. 相似文献
5.
Journal of Structural Chemistry - We report results of structural studies of multicomponent compounds, double complex salts, used as predecessors of nanoalloys of immiscible metals in Rh–Pd,... 相似文献
6.
E. M. Glebov V. P. Grivin D. B. Vasil’chenko A. V. Zadesenets V. F. Plyusnin 《High Energy Chemistry》2017,51(6):409-414
The two-quantum photochemistry of aqueous solutions of cis,trans-[PtIV(en)(I)2(CH3COO)2] (complex 1) has been studied by laser flash photolysis using an irradiation wavelength of 355 nm. This compound can be considered as a model representative of the mixed-ligand Pt(IV) complexes tested for use in photodynamic therapy. The appearance of transient absorption, presumably due to two consecutively produced Pt(III) complexes, has been revealed. The spectral and kinetic characteristics of the intermediates have been determined. A mechanism of two-quantum photolysis of complex 1 is proposed on the basis of the data obtained. 相似文献
7.
D. B. Vasil’chenko E. Yu. Filatov I. A. Baidina P. E. Plyusnin S. V. Korenev 《Russian Journal of Coordination Chemistry》2010,36(5):347-352
Three novel complex salts containing the cation trans-[Rh(β-Pic)4Cl2]+ with the anions Cl− (I), ReO4− (II), and ClO4− (III) were obtained and characterized by elemental analysis, X-ray diffraction, NMR spectroscopy, and IR spectroscopy. The complex
trans-[Rh(β-Pic)4Cl2]ReO4 crystallizes from DMF as a solvate in which solvent molecules fill the channels formed by the cations and anions. The thermal
properties of complexes I, II, and II · DMF were examined by DTA. Final and some intermediate products of the thermolysis were isolated and characterized by physicochemical
methods. 相似文献
8.
N. I. Plyusnin V. M. Il’yashchenko S. A. Kitan’ N. A. Tarima 《Journal of Surface Investigation: X-ray, Synchrotron and Neutron Techniques》2011,5(4):734-745
Auger-electron spectroscopy, electron-energy loss spectroscopy, low-energy electron diffraction, and atomic-force microscopy
are employed to investigate the growth mechanism, composition, structural and phase states, and morphology of Cu films (0.1–1
nm thick) deposited on a Si(001)-2 × 1 surface at a lower temperature of Cu evaporation (900°C) and room temperature of a
substrate. The Cu film phase is shown to start growing on the Si(001)−2 × 1 surface after three Cu monolayers (MLs) are condensed. It has been revealed that atoms of Cu and Si(001) are mixed, a
Cu2Si film phase is formed, and, thereafter, Cu3Si islands arise at a larger coating thickness. Annealing of the first Cu ML leads to reconstruction of the Si(001)-1 × 1-Cu
surface layer, thereby modifying the film growth mechanism. As a consequence, the Cu2Si film phase arises when the thickness reaches two to four MLs, and bulk Cu3Si silicide islands begin growing at five to ten MLs. When islands continue to grow, their height and density reach, respectively,
1.5 nm and 2 × 1011 cm−2 and the island area is 70% of the substrate surface at a thickness of ten MLs. 相似文献
9.
I. A. Baidina E. V. Makotchenko E. A. Shusharina P. E. Plyusnin A. I. Smolentsev S. A. Gromilov 《Journal of Structural Chemistry》2010,51(3):526-533
Two crystalline modifications of a new [Au(dien)Cl](ReO4)2 complex are studied. The geometric characteristics of the [Au(dien)Cl]2+ complex cations are compared, and the way of additional coordination of gold atomos is considered. The thermal properties of the compound are studied in the inert and reducing atmospheres, and for the first time the possibility of the formation of Au0.1Re0.9 solid solution based on the hcp lattice of Re is shown. 相似文献
10.