Zobrazeno 1 - 10 of 37 pro vyhledávání: '"N. Kh. Petrov"'
3
A Supercontinuum Generator with Pumping by Pulses of Chromium–Forsterite-Based Femtosecond Laser in Transparent Condensed Media
Autor: Michael V. Alfimov, N. Kh. Petrov, I. V. Kryukov
Publikováno v: Instruments and Experimental Techniques. 63:846-852
A facility for generating a supercontinuum in Al2O3 and CaF2 crystals using a femtosecond laser, which is based on a chromium–forsterite (Cr : F) crystal, is described. The supercontinuum spectra under pumping at four wavelengths of 310, 413, 620,
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::460a36f51c9dee8badcf9b26493fd7de
https://doi.org/10.1134/s0020441220050309
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4
Mechanism of Complexation of Cucurbiturils with Styryl Dyes in the Presence of Sodium Cations
Autor: Elena V. Stenina, Liana N. Sviridova, Sergey P. Gromov, I. V. Kryukov, Dimitri A. Ivanov, N. A. Aleksandrova, N. Kh. Petrov, A. D. Svirida, Yu. A. Shandarov, Vitaly G. Avakyan
Publikováno v: High Energy Chemistry. 54:403-413
The complexation of styryl dyes 4-[(E)-2-(3,4-dimethoxyphenyl)]-1-ethylpyridinium perchlorate and trans-4-[4-(dimethylamino)styryl]-1-methylpyridinium iodide with cucurbit[n]urils (CBn) (n = 6, 7) in aqueous solutions in the presence of sodium sulfat
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::28bd86f91a8c7779837a9077d127a09f
https://doi.org/10.1134/s0018143920060107
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5
A Wide-Band Femtosecond Pump–Probe Spectrometer Based on a Laser with an Active Medium Based on Chromium-Doped Forsterite Crystal
Autor: I. V. Kryukov, N. Kh. Petrov, Michael V. Alfimov, A. A. Ivanov
Publikováno v: Instruments and Experimental Techniques. 62:548-553
An instrument for recording photoinduced-absorption spectra using the pump–probe method with femtosecond time resolution is described, in which a regenerative amplifier based on a chromium-doped forsterite crystal with a fundamental harmonic of 124
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2af6d812bca42fdeeccd359b85f47a7c
https://doi.org/10.1134/s0020441219040079
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6
[2+2] Photocycloaddition of Styryl Dyes in the Cucurbit[8]uril Cavity and Its Ultrafast Dynamics
Autor: Yu. A. Shandarov, Michael V. Alfimov, Artem I. Vedernikov, A. D. Svirida, Dimitri A. Ivanov, N. Kh. Petrov, S. K. Sazonov, Sergey P. Gromov, I. V. Kryukov, N. A. Aleksandrova
Publikováno v: High Energy Chemistry. 53:204-210
[2+2] Photocycloaddition of a series of styryl dyes (a, b, and c, see text) in the cavity of cucurbit[8]uril (CB8) in aqueous solutions has been studied by optical spectroscopy. The complex formation constants were calculated for the 1 : 1 and 2 : 1
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fa81b871fa49509c6ddb4360888410f2
https://doi.org/10.1134/s0018143919030147
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7
A Fluorimeter on the Basis of a Femtosecond Cr+4: Forsterite Laser
Autor: N. Kh. Petrov, Dimitri A. Ivanov, A. A. Ivanov, M. V. Alfimov, Yu. A. Shandarov, I. V. Kryukov
Publikováno v: Instruments and Experimental Techniques. 61:556-561
An apparatus for measuring luminescence lifetimes using the femtosecond up-conversion method is presented. A laser system based on a chromium–forsterite crystal with a lasing wavelength of 1250 nm is used to generate ultrashort pulses. Luminescence
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2effedc9f0ef341404e48b6ca70077ac
https://doi.org/10.1134/s0020441218040103
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9
An ultrafast pre-organization of the [2 + 2] photocycloaddition of styryl dyes in 1:2 host-guest complexes with cucurbit[8]urils
Autor: Dimitri A. Ivanov, Yu. A. Shandarov, N. Kh. Petrov, N. A. Lobova, A. D. Svirida, M. V. Alfimov, Sergey P. Gromov, I. V. Kryukov, Vitaly G. Avakyan
Publikováno v: Chemical Physics Letters. 673:99-102
The photocycloaddition of styryl dyes 1, mediated by 1:2 hostguest complexes with cucurbit[8]urils (CB[8]), was studied by fluorescence upconversion techniques. The lifetime of 14.5 ps for photoexcited 1 in aqueous solution and 3.8 ps for that inside
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a3a3ae4889d9306c2cf823053fc9bf52
https://doi.org/10.1016/j.cplett.2017.02.005
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10
Adsorption of сucurbit[6]uril and styryl dye complexes on the surface of silver nanoparticles
Autor: Elena V. Stenina, A. D. Svirida, Liana N. Sviridova, Dimitri A. Ivanov, M. V. Alfimov, N. Kh. Petrov, V. K. Laurinavichute
Publikováno v: Nanotechnologies in Russia. 12:125-131
Fluorescence spectroscopy and electrochemistry methods have been applied to study the adsorption of complexes of styryl dye, trans-4-[4-(dimethylamino)styryl]-1-methylpyridinium iodide (DSMI), with cucurbit[6]uril (CB6) on the surface of silver nanop
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5e4550796adb150ff2d48e499ac10bed
https://doi.org/10.1134/s1995078017020124
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