Zobrazeno 1 - 10
of 89
pro vyhledávání: '"Mordecai Shelef"'
Publikováno v:
The Journal of Physical Chemistry B. 106:4697-4704
Highly dispersed γ-Al2O3-supported PtRu clusters were prepared by decarbonylation of molecularly adsorbed [Pt2Ru4(CO)18] in He or H2 at temperatures in the range of 300−400 °C. Infrared (IR) and extended X-ray absorption fine structure (EXAFS) sp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9f5631500a45a792be9691a6816f58cb
https://doi.org/10.1021/jp014342i
https://doi.org/10.1021/jp014342i
Autor:
Mordecai Shelef, A.V. Kucherov
Publikováno v:
Catalysis Letters. 75:19-24
In situ ESR at 120–473 K permits to monitor formation of transient paramagnetic ions/complexes (isolated Pd+ sites; Pd+/H2O; Pd+/C6H6) upon interaction of isolated Pd2+ cations stabilized by the H-ZSM-5 matrix with different organic compounds and g
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::80514204a552d54ea6fac445a23ef49b
https://doi.org/10.1023/a:1016723804026
https://doi.org/10.1023/a:1016723804026
Autor:
A.V. Kucherov, Mordecai Shelef
Publikováno v:
Journal of Catalysis. 195:106-112
A method for the quantitative determination of isolated Fe 3+ ions in FeHZSM-5 by EPR was devised. The method is based on the comparison of signals, taken at −196°C, from pyridine-impregnated catalysts with signals from solutions of Fe(III)-phthal
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::091bc9a0b5daf40ae2b21b0796f1e95d
https://doi.org/10.1006/jcat.2000.2976
https://doi.org/10.1006/jcat.2000.2976
Autor:
Mordecai Shelef, Robert Walter Mccabe
Publikováno v:
Catalysis Today. 62:35-50
The union of catalysts and the automobile has been one of the greatest successes of heterogeneous catalysis over the last 25 years. Here, the history of automotive catalysis is briefly reviewed, followed by an assessment of where automotive catalysis
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0218d6f4790994df487b1a194c6cfffa
https://doi.org/10.1016/s0920-5861(00)00407-7
https://doi.org/10.1016/s0920-5861(00)00407-7
Publikováno v:
Journal of Catalysis. 190:157-172
γ-Al 2 O 3 -supported catalysts were prepared from bimetallic precursors, {Pt[W(CO) 3 (C 5 H 5 )] 2 (PhCN) 2 } and {Pt 2 W 2 (CO) 6 (C 5 H 5 ) 2 (PPh 3 ) 2 }, as well as from a mixture of [PtCl 2 (PhCN) 2 ] and [W(CO) 6 ], and characterized by exten
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b7efe6d28187a7ec735a286a336dcdb4
https://doi.org/10.1006/jcat.1999.2739
https://doi.org/10.1006/jcat.1999.2739
Publikováno v:
Physical Chemistry Chemical Physics. 2:1997-2003
Temperature-programmed desorption (TPD) spectroscopy was used to characterize the desorption of H2 from γ-Al2O3-supported samples prepared from {Pt[W(CO)3(C5H5)]2(PhCN)2} and {Pt2W2(CO)6(C5H5)2(PPh3)2} as well as those prepared from [PtCl2(PhCN)2] a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::582408d0f7a9e28b2a42234d79afe64e
https://doi.org/10.1039/b000842g
https://doi.org/10.1039/b000842g
Publikováno v:
Applied Catalysis B: Environmental. 21:243-258
In metal-free ZSM-5, the decrease in the concentration of Bronsted and Lewis acid sites parallels the increase in the SiO2/Al2O3 ratio. In the presence of residual moisture, the adsorption of small alkanes does not markedly depend on the SiO2/Al2O3 r
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f1b6c8aecb23d012329ce518fe12cfa7
https://doi.org/10.1016/s0926-3373(99)00021-1
https://doi.org/10.1016/s0926-3373(99)00021-1
Publikováno v:
Journal of Catalysis. 185:170-181
Samples of Pt on γ-Al2O3 were prepared by reduction in H2 at 400°C of [PtCl2(PhCN)2], adsorbed intact from n-pentane solution onto γ-Al2O3 powder that had been partially dehydroxylated under vacuum at 400°C. The Pt dispersion was determined to be
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8079028e9b1fb31c58fd9ef298ed2028
https://doi.org/10.1006/jcat.1999.2489
https://doi.org/10.1006/jcat.1999.2489
Publikováno v:
Physical Chemistry Chemical Physics. 1:5725-5733
γ-Al2O3-supported catalysts were prepared from molecular bimetallic precursors, {Pt[W(CO)3(C5H5)]2(PhCN)2} and {Pt2W2(CO)6(C5H5)2(PPh3)2}; samples for comparison were prepared from mononuclear precursors, [PtCl2(PhCN)2] or a mixture of [PtCl2(PhCN)2
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1c0ff0d4d6951a7a24389df1188072ba
https://doi.org/10.1039/a907022b
https://doi.org/10.1039/a907022b
Publikováno v:
Applied Catalysis B: Environmental. 16:245-254
In 2.2% Rh/γ-Al2O3, the vast majority of the Rh, >95%, is ESR inactive. The rest, a small proportion, can be made ESR-visible by room temperature sorption of water or other polar molecules suggesting that the interaction of these ESR-active ions wit
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e356e0809bdd487c9835a73dbf0ff599
https://doi.org/10.1016/s0926-3373(97)00080-5
https://doi.org/10.1016/s0926-3373(97)00080-5