Zobrazeno 1 - 10
of 32
pro vyhledávání: '"N. V. Petrochenkova"'
Publikováno v:
Optics and Spectroscopy. 130:214-218
Publikováno v:
Journal of Structural Chemistry. 61:1195-1202
The lowest singlet and triplet levels of europium(III) methacrylate Eu(Macr)3, including geometry optimization in different excited states, are calculated with the CASSCF/XMCQDPT2 ab initio method. The experimental and calculated data are used to bui
Autor:
N. V. Petrochenkova, A. G. Mirochnik
Publikováno v:
Optics and Spectroscopy. 128:137-140
Luminescent chemosensor properties of Eu(III) carboxylate dibenzoylmethanates are observed. It is shown that the interaction of Eu(III) complexes with ammonia or methylamine vapors leads to an increase in the Eu(III) luminescence intensity. An optica
Autor:
A. A. Leonov, S. S. Voznesenskii, T. B. Emelina, Anatolii G. Mirochnik, Alexander A. Sergeev, N. V. Petrochenkova
Publikováno v:
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. 200:70-75
The effect of methylamine vapor on luminescence of Eu(III) tris-benzoylacetonate (I) immobilized in thin-layer chromatography plates has been investigated. It has been revealed that interaction of I with analyte vapor results in increase of the inten
Autor:
I. A. Kurbatov, Vitaliy I. Vovna, A. G. Mirochnik, V. I. Kharchenko, N. V. Petrochenkova, P. A. Zhikhareva
Publikováno v:
Journal of Structural Chemistry. 59:328-334
DFT-D3/PBE0 and IR spectroscopy are employed to study the vibrational structure of europium(III) and lanthanum(III) methacrylates Ln(Macr)3 (Ln = Eu, La; Macr is the methacrylate anion, CH2CH(CH3)COO–). The calculated geometric and vibrational char
Autor:
Vitaliy I. Vovna, E. V. Mikhailenko, N. V. Petrochenkova, A. G. Mirochnik, A. V. Shurygin, I. S. Os’mushko, Vladimir V. Korochentsev
Publikováno v:
Russian Chemical Bulletin. 66:2081-2089
The electronic structure and specific features of the nature of chemical bonding in europium acrylate and europium methacrylate were investigated by X-ray photoelectron spectroscopy (XPS) and quantum chemistry methods. The effect of the replacement o
Autor:
A. S. Shishov, A. A. Leonov, T. B. Emelina, Anatolii G. Mirochnik, S. S. Voznesenskiy, Yu. N. Kulchin, Alexander A. Sergeev, N. V. Petrochenkova
Publikováno v:
Sensors and Actuators B: Chemical. 246:46-52
In this work we present a Eu(III) tris-benzoylacetonate complexes as efficient luminescent chemosensor for gaseous ammonia. It is shown that luminescent and sensor properties of studied samples can be varied by using organic solvents. In dependence o
Autor:
B. V. Bukvetskii, A. S. Shishov, Anatolii G. Mirochnik, Alexander A. Sergeev, N. V. Petrochenkova, S. S. Voznesenskii, T. B. Emelina
Publikováno v:
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. 155:111-115
The effect of ammonia vapor on luminescence of Eu(III) tris-dibenzoylmethanate immobilized in various matrices has been investigated. It has been revealed that interaction of Eu(III) tris-dibenzoylmethanate with analyte vapor results in increase of t
Publikováno v:
Russian Chemical Bulletin. 64:2427-2432
An atomic structure of complex Et4N[Eu(ТТA)4] (TTA is the thenoyltrifluoroacetonate anion, Et4N+ is the tetraethylammonium cation) possessing strong luminescence and triboluminescence was determined by X-ray crystallography. The crystal system of c
Autor:
S. S. Voznesenskiy, Alexander A. Sergeev, A. A. Leonov, A. S. Shishov, N. V. Petrochenkova, Anatolii G. Mirochnik, Yuri N. Kulchin, Tatiana B. Emelina
Publikováno v:
SPIE Proceedings.
Here we report a novel luminescent sensor for amines and ammonia based on Eu(III) tris-β-benzoylacetonate complexes obtained in various conditions. It has been revealed that interaction of Eu(III) tris-β-benzoylacetonate with analyte vapor results