Zobrazeno 1 - 10
of 26
pro vyhledávání: '"Pinghong Xu"'
Publikováno v:
Yang, D; Zhang, S; Xu, P; Browning, ND; Dixon, DA; & Gates, BC. (2017). Single-Site Osmium Catalysts on MgO: Reactivity and Catalysis of CO Oxidation. Chemistry-A European Journal, 23(11), 2532-2536. doi: 10.1002/chem.201605131. UC Davis: Retrieved from: http://www.escholarship.org/uc/item/89h708nr
Chemistry (Weinheim an der Bergstrasse, Germany), vol 23, iss 11
Chemistry (Weinheim an der Bergstrasse, Germany), vol 23, iss 11
© 2017 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim MgO-supported osmium dioxo species, described as Os(=O)2{−Osupport}1 or 2(the brackets denote O atoms of the MgO surface), formed from Os3(CO)12via supported Os(CO)2, and characterized by spectrosc
Publikováno v:
Yang, D; Xu, P; Browning, ND; & Gates, BC. (2016). Tracking Rh Atoms in Zeolite HY: First Steps of Metal Cluster Formation and Influence of Metal Nuclearity on Catalysis of Ethylene Hydrogenation and Ethylene Dimerization. Journal of Physical Chemistry Letters, 7(13), 2537-2543. doi: 10.1021/acs.jpclett.6b01153. UC Davis: Retrieved from: http://www.escholarship.org/uc/item/7916j8vt
The journal of physical chemistry letters, vol 7, iss 13
The journal of physical chemistry letters, vol 7, iss 13
© 2016 American Chemical Society. The initial steps of rhodium cluster formation from zeolite-supported mononuclear Rh(C2H4)2complexes in H2at 373 K and 1 bar were investigated by infrared and extended X-ray absorption fine structure spectroscopies
Autor:
Yuanyuan Zhu, Johannes A. Lercher, Daniela Hartmann, Daniel Melzer, Nigel D. Browning, Maricruz Sanchez-Sanchez, Pinghong Xu
Publikováno v:
Angewandte Chemie. 128:9019-9023
Aberration-corrected high-angle annular dark-field scanning transmission electron microscopy (HAADF-STEM) has been used to image the basal {001} plane of the catalytically relevant M1 phase in MoVTeNb complex oxides. Facets {010}, {120}, and {210} ar
Autor:
Jennifer Hein, Johannes A. Lercher, Nigel D. Browning, Andreas Jentys, Pinghong Xu, Oliver Y. Gutiérrez, Eva Schachtl
Publikováno v:
ChemCatChem. 7:3692-3704
The distribution of metal cations and the morphology of unsupported NiMo, NiW, and NiMoW sulfide catalysts were explored qualitatively and quantitatively. In the bi- and trimetallic catalysts, Mo(W)S2 nanoparticles are deposited on Ni sulfide particl
Autor:
Bruce C. Gates, Cong-Yan Chen, Jing Lu, Ceren Aydin, Louise M. Debefve, Nigel D. Browning, Pinghong Xu
Publikováno v:
Microporous and Mesoporous Materials. 213:95-99
Images of La-exchanged NaY zeolite obtained with aberration-corrected scanning transmission electron microscopy (STEM) show that about 80% of the La cations were present as site-isolated species, with the remainder in pair sites. The observed distanc
Publikováno v:
ACS Catalysis. 5:4680-4689
MgAlOx mixed oxides were employed as supports for potassium-based lean NOx traps (LNTs) targeted for high-temperature applications. Effects of support compositions, K/Pt loadings, thermal aging, and catalyst regeneration on NOx storage capacity were
Autor:
Donald M. Camaioni, Johannes A. Lercher, Sebastian Foraita, Pinghong Xu, Chen Zhao, John L. Fulton, Zizwe A. Chase, Eszter Baráth, Aleksei Vjunov
Publikováno v:
Chemistry - A European Journal. 21:2423-2434
The role of the specific physicochemical properties of ZrO2 phases on Ni/ZrO2 has been explored with respect to the reduction of stearic acid. Conversion on pure m-ZrO2 is 1.3 times more active than on t-ZrO2 , whereas Ni/m-ZrO2 is three times more a
Autor:
Jing Lu, Pinghong Xu, Cong-Yan Chen, Bruce C. Gates, Son-Jong Hwang, Claudia Martinez-Macias, Nigel D. Browning
Publikováno v:
ACS Catalysis. 4:2662-2666
Dealuminated zeolite HY was used to support Ir(CO)_2 complexes formed from Ir(CO)_2(C_5H_7O_2). Infrared and X-ray absorption spectra and atomic resolution electron microscopy images identify these complexes, and the images and ^(27)Al NMR spectra id
Autor:
Pinghong Xu, Mitra L. Taheri, Pushkarraj V. Deshmukh, Patricia Abellan, S Mehraeen, Bryan W. Reed, Paul E. Fischione, Joseph T. McKeown, Nigel D. Browning, James E. Evans
Publikováno v:
Microscopy and Microanalysis. 19:470-478
The advent of aberration correction for transmission electron microscopy has transformed atomic resolution imaging into a nearly routine technique for structural analysis. Now an emerging frontier in electron microscopy is the development ofin situca
Publikováno v:
Yang, D; Xu, P; Guan, E; Browning, ND; & Gates, BC. (2016). Rhodium pair-sites on magnesium oxide: Synthesis, characterization, and catalysis of ethylene hydrogenation. Journal of Catalysis, 338, 12-20. doi: 10.1016/j.jcat.2016.02.023. UC Davis: Retrieved from: http://www.escholarship.org/uc/item/48b8r9q8
Supported rhodium acetate dimers were prepared by the reaction of Rh 2 (OAc) 4 (OAc is acetate) with highly dehydroxylated MgO powder and characterized by extended X-ray absorption fine structure and infrared (IR) spectra, which show that the support
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a73eb02f6af63931b31ba76727f25853
http://www.escholarship.org/uc/item/48b8r9q8
http://www.escholarship.org/uc/item/48b8r9q8