Zobrazeno 1 - 10
of 43
pro vyhledávání: '"K. N. Zhavoronkova"'
Publikováno v:
International Journal of Hydrogen Energy. 47:4759-4765
Catalyst systems containing bimetallic Au and Cu nanoparticles exhibited higher specific catalytic activity (H2/D2 exchange reaction) than monometallic gold nanoparticles and catalytically inactive copper monoparticles. A synergistic effect was found
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d6f789454a312e4feb01b116dace4be3
https://doi.org/10.1016/j.ijhydene.2021.11.078
https://doi.org/10.1016/j.ijhydene.2021.11.078
Publikováno v:
Protection of Metals and Physical Chemistry of Surfaces. 56:63-74
Synthesis of bimetallic nanoparticles (NPs) of the transition metals Rh and Pd in H2O/AOT/isooctane (where AOT is dioctyl sodium sulfosuccinate) reverse-micelle solutions (RMSs) in the presence of molecular oxygen and quercetin, a flavonoid, is descr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8c4b9038198a2bded7e1de138ed52f2e
https://doi.org/10.1134/s2070205120010207
https://doi.org/10.1134/s2070205120010207
Publikováno v:
Catalysis Communications, Vol 148, Iss, Pp 106173-(2021)
In contrast to bulk metals, the nanoparticles of copper, silver and gold catalyze the low-temperature reaction of ortho-para conversion of protium (the physical magnetic mechanism) which indicates the presence of magnetic properties in nanoparticles
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c84dca759bc2052aa5dff7cd5b7e8964
http://www.sciencedirect.com/science/article/pii/S1566736720302491
http://www.sciencedirect.com/science/article/pii/S1566736720302491
Autor:
O. A. Boeva, Boris G. Ershov, E. V. Abkhalimov, R. D. Solovov, K. N. Zhavoronkova, Alexandr A. Odintzov
Publikováno v:
International Journal of Hydrogen Energy. 42:22897-22902
Catalytic activity of 4–40 nm gold nanoparticles supported on γ-Al2O3 in the reaction of ortho–para conversion of protium has been studied. The results of test indicate that nanoparticles exhibit a high catalytic activity and the rate of reactio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::018f737fafd6303fc0da7363b6a88a1d
https://doi.org/10.1016/j.ijhydene.2017.07.187
https://doi.org/10.1016/j.ijhydene.2017.07.187
Publikováno v:
Journal of Surface Investigation: X-ray, Synchrotron and Neutron Techniques. 11:458-462
Gold films are obtained by thermal evaporation in different media: vacuum, hydrogen, and krypton. The structure of the films obtained, and their adsorption and catalytic properties in molecular hydrogen reactions are studied in a wide temperature ran
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::26b69df0e90c028c82b4fcfccba793ec
https://doi.org/10.1134/s1027451017020215
https://doi.org/10.1134/s1027451017020215
Publikováno v:
Protection of Metals and Physical Chemistry of Surfaces. 52:223-226
Adsorption and catalytic properties of gold nanoparticles of various sizes prepared by two methods of reduction in reverse micellar solutions were studied. Gold nanoparticles are capable of adsorbing molecular hydrogen and exhibiting catalytic activi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c9838bdc0fad6a0f0a4c3377af6cadc8
https://doi.org/10.1134/s2070205116020210
https://doi.org/10.1134/s2070205116020210
Publikováno v:
Journal of Physics: Conference Series. 1696:012015
The catalytic properties of metal nanoparticles of the 1B group (Cu, Ag, Au) in the reaction of low-temperature ortho-vapor conversion of hydrogen are investigated. It is shown that, upon transition to nanoscale particles, inert bulk metals adsorb hy
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::960879110b55faa38e9db26fd6d4d90a
https://doi.org/10.1088/1742-6596/1696/1/012015
https://doi.org/10.1088/1742-6596/1696/1/012015
Autor:
K. N. Zhavoronkova, Alexandr A. Odintzov, O. A. Boeva, R. D. Solovov, Boris G. Ershov, E. V. Abkhalimov
Publikováno v:
Catalysis Communications. 133:105840
Gold nanoparticles supported on γ-Al2O3 catalyzed the hydrogen isotope exchange Н2 + D2 at low temperatures, ca. 77 K. The specific catalytic activity increases by a factor of ~800 as the particle size decreases from 39.3 to 0.7 nm. A correlation h
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::945d5ebc5e3a2d7b7562229eac69c2f0
https://doi.org/10.1016/j.catcom.2019.105840
https://doi.org/10.1016/j.catcom.2019.105840
Autor:
Boris G. Ershov, A. A. Odintsov, R. D. Solovov, K. N. Zhavoronkova, O. A. Boeva, E. V. Abkhalimov, N. D. Evdokimenko
Publikováno v:
Doklady Physical Chemistry. 463:165-167
Gold nanoparticles of 3.8, 4.6, and 19.4 nm size, unlike the bulk metal, can adsorb hydrogen and catalyze the deuterium—protium exchange in the 77—523 K range. It has been shown that as the particle size decreases, the specific catalytic activity
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c469b97425177c4005fef56209b25ce1
https://doi.org/10.1134/s0012501615080011
https://doi.org/10.1134/s0012501615080011
Publikováno v:
Protection of Metals and Physical Chemistry of Surfaces. 49:471-478
We synthesized ruthenium nanoparticles in reverse-micelle solutions using radiation-chemical (under anaerobic conditions) and chemical reduction of ions (in the presence of oxygen). The optical absorption spectra recorded during nanoparticle formatio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5d49bef79b4403cc32d18e471ece82bb
https://doi.org/10.1134/s2070205113040126
https://doi.org/10.1134/s2070205113040126