Výsledky vyhledávání - "V I, Koval'chuk"

Cluster carbonyls of Os, Fe and Fe-Rh on oxide supports: Synthesis and properties

Autor: Boris N. Kuznetsov, Lilia V. Naimushina, V. I. Koval'chuk, N. M. Mikova, Nikolai V. Chesnokov

Publikováno v: Macromolecular Symposia. 136:41-46

Surface nano-size structures have been obtained by supporting on oxide supports (SiO 2 , MgO, Al 2 O 3 ) some cluster carbonyls of Os, Fe, Fe-Rh and by their following thermal conversions. Surface species were characterized by IR-spectroscopy, high-r

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6c83a9153e7ac45b9bbb683c9a33a948
https://doi.org/10.1002/masy.19981360109

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Mixed iron-rhodium carbidocarbonyl clusters on oxide supports: chemistry and catalysis of syn-gas reactions

Autor: Boris N. Kuznetsov, N. M. Mikova, Nikolay V. Chesnokov, V. I. Koval'chuk, Liliya V. Naimushina

Publikováno v: Journal of Molecular Catalysis A: Chemical. 107:329-337

Genesis of silica-supported [Fe 5 RhC(CO) 16 ] − and [Fe 4 RhC(CO) 14 ] − clusters with interstitial carbon atoms have been investigated in CO, syn-gas and Ar media. Complete conversion of the former cluster to the latter was obtained at 50°C in

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::668792f987ca0ae32facd745dc4c0e6b
https://doi.org/10.1016/1381-1169(95)00232-4

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Hydrocarbon synthesis from CO and H2 on (Fe + Pt)SiO2 catalysts

Autor: V. I. Koval'chuk, Boris N. Kuznetsov

Publikováno v: Journal of Molecular Catalysis A: Chemical. 102:103-110

Catalytic and adsorption properties of (Pt + Fe)SiO2 catalysts prepared by coimpregnation of SiO2 with FeCl3 and H2PtCl6 aqueous solutions have been studied. According to the X-ray diffraction data, FePt particles of the size 5–36 nm and bcc or

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2a4ef9a3512dd59882adfc208082fbae
https://doi.org/10.1016/1381-1169(95)90045-4

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Chemical transformations of a SiO2-supported [Fe5RhC(CO)16]? cluster and catalysis of propylene hydroformylation

Autor: Boris N. Kuznetsov, N. M. Mikova, V. I. Koval'chuk, A. F. Savitskii, Nikolai V. Chesnokov

Publikováno v: Russian Chemical Bulletin. 44:611-620

Chemical transformations of SiO2-supported [Fe5RhC(CO)16]− and [Fe4RhC(CO)14]− clusters in Ar, CO, and synthesis gas are studied by IR spectroscopy, Mossbauer spectroscopy, and transmission electron microscopy. It is shown that partial transforma

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1b69c76b9e7e4ff564c800498d1bae89
https://doi.org/10.1007/bf00698489

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Organometallics derived (Pd + Ln)/SiO2 catalysts for the reactions of synthesis gas conversion

Autor: Yu. N. Nogin, Nikolai V. Chesnokov, V. I. Koval'chuk

Publikováno v: Catalysis Letters. 23:79-86

C3H6 hydroformylation and CH3OH synthesis on organometallics derived (Pd + Ln)/ SiO2 and Pd/SiO2 catalysts have been studied. The activity and selectivity towards methanol in CO + H2 reaction were observed to increase for all the modified catalysts w

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c0c3c30a9fc76bb8cb93f3f4f6365c7a
https://doi.org/10.1007/bf00812133

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Synthesis of hydrocarbons from CO and H2 on SiO2 supported iron-cobalt clusters

Autor: Boris N. Kuznetsov, V. I. Koval'chuk, A. A. Efremov, N. I. Bakhmutova, N. M. Mikova

Publikováno v: Russian Chemical Bulletin. 42:1032-1038

Bimetallic catalysts (Fe+Co)/SiO2 were prepared by impregnation of SiO2 with solutions of carbonyl clusters [FeCo3(CO)12][(C2H5)4N], [Fe3Co(CO)13][(C2H5)4N], HFeCo3(CO)12, [Fe5CoC(CO)16][(C2H5)4N], and Co2(CO)8, Fe(CO)5. At 20 °C, no reaction occurs

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6abf201cbb07c6dd2816a350e004b288
https://doi.org/10.1007/bf00704193

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