Zobrazeno 1 - 10
of 86
pro vyhledávání: '"Efim S. Shpiro"'
Publikováno v:
The Journal of Physical Chemistry B. 102:3798-3805
Electronic and structural properties of highly dispersed Pt−Cu alloys supported on zeolite HZSM-5 with narrow particle size distribution (1−2 nm) were studied by transmission electron microscopy, X-ray photoelectron spectroscopy, and Fourier tran
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9ad08deae3b90b2fdbae85b080ae09cf
https://doi.org/10.1021/jp981029g
https://doi.org/10.1021/jp981029g
Publikováno v:
Journal of Catalysis. 169:382-388
The structure of a platinum/zeolite catalyst was studied after processing and reduction. Fourier transform kinfrared spectra were recorded. Samples were then exposed to carbon monoxide. Temperature effects on the adsorption of carbon monoxide are des
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dffc954cfe22083013f99099dce19b2a
https://doi.org/10.1006/jcat.1997.1716
https://doi.org/10.1006/jcat.1997.1716
Publikováno v:
Applied Catalysis B: Environmental. 8:343-363
The adsorption and subsequent reaction of nitric oxide, propene, molecular oxygen and combinations of these gases has been studied on samples of Cu-ZSM-5 catalysts of high activity in the selective reduction of NO by hydrocarbons, using infrared spec
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ffcd2d371295b395a2082c41269535a7
https://doi.org/10.1016/0926-3373(95)00074-7
https://doi.org/10.1016/0926-3373(95)00074-7
Publikováno v:
Journal of Molecular Catalysis A: Chemical. 104:299-309
Reduction of IrH-ZSM-5 by hydrogen yields Ir0 clusters exhibiting a large positive XPS shift (1.4 eV) and an upward IR shift (25–30 cm−1) of linearly bonded CO, both suggesting a strong electron deficiency. Ir clusters (< 1 nm) can be readily and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::54cf6730c60c73d883be9ed22b31f926
https://doi.org/10.1016/1381-1169(95)00185-9
https://doi.org/10.1016/1381-1169(95)00185-9
Publikováno v:
Berichte der Bunsengesellschaft für physikalische Chemie. 99:1321-1327
The relationship between the electronic structure of small metallic (Pt, Ir, Rh) and alloyed (Pt-Cr, Pt-Cu) particles and their chemical reactivity has been established using zeolite matrix and a set of physical techniques, such as XPS, XAES, HRTEM,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::219a8b24d796e4015d57cdc3c23ab8b3
https://doi.org/10.1002/bbpc.199500078
https://doi.org/10.1002/bbpc.199500078
Application of Debye Function Analysis to Particle Size and Shape Determination in Ir/SiO2 Catalysts
Publikováno v:
The Journal of Physical Chemistry. 99:8323-8327
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c633121c53f24de1af40aad6bdab35bc
https://doi.org/10.1021/j100020a067
https://doi.org/10.1021/j100020a067
Publikováno v:
Applied Catalysis A: General. 107:165-180
Catalytic properties of a series of Ga- and Pt-Ga-containing zeolites of ZSM-5 structure in n-butane aromatization have been studied in wide range of reaction conditions. The profound Pt promotion has been well established on the basis of product sel
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2a455e27670ba7c84fc0119ef8f869b5
https://doi.org/10.1016/0926-860x(94)85153-0
https://doi.org/10.1016/0926-860x(94)85153-0
Publikováno v:
Applied Catalysis A: General. 107:147-164
X-ray photoelectron spectroscopy (XPS), infrared (IR), electron microscopy (EM) and energy dispersive X-ray (EDAX) studies of in various ways prepared Ga/H-ZSM-5, Pt-Ga/H-ZSM-5 as well as Ga-silicate and Pt/Ga-silicate have been performed. The extern
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dce062a440ad1587ec91eaba93cdcdf5
https://doi.org/10.1016/0926-860x(94)85152-2
https://doi.org/10.1016/0926-860x(94)85152-2
Publikováno v:
Catalysis Letters. 24:159-169
Cu-ZSM-5 catalysts prepared by “over-exchange” (degree of exchange = 130%) and by impregnation have been studied by X-ray photoelectron spectroscopy (XPS) and X-ray excited Auger spectroscopy (XAES). In both preparations, the external surface reg
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4ccfa0cc53c4f1ed4096bb7c95d39511
https://doi.org/10.1007/bf00807386
https://doi.org/10.1007/bf00807386
Publikováno v:
The Journal of Physical Chemistry. 97:5668-5672
An XPS and XAES (X-ray exited Auger electron spectroscopy) investigation was carried out to elucidate the structure of TiO 2 -SiO 2 mixed oxide systems in the broad range of the component concentrations (3 wt % ≤TiO 2 ≥97 wt %). It is found that
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0ea09965c337181fecf9263e565b9e0b
https://doi.org/10.1021/j100123a034
https://doi.org/10.1021/j100123a034