Zobrazeno 1 - 10
of 62
pro vyhledávání: '"Eric C. Tyo"'
Autor:
David J. Gosztola, Hsien-Hau Wang, Martina Kilianová, Radek Zbořil, David Milde, Aleš Panáček, Ondřej Tomanec, Robert Prucek, Stefan Vajda, Petr Suchomel, Libor Kvítek, Bing Yang, Avik Halder, Eric C. Tyo, Soenke Seifert
Publikováno v:
Applied Catalysis B: Environmental. 225:128-138
We report a nanoparticulate iron oxide based catalyst for CO2 conversion with high efficiency at low pressures and on the effect of the presence of copper on the catalyst’s restructuring and its catalytic performance. In situ X-ray scattering revea
Bimetallic Ag‐Pt Sub‐nanometer Supported Clusters as Highly Efficient and Robust Oxidation Catalysts
Autor:
Chiranjib Majumder, Avik Halder, Stephan Bartling, Sandeep Nigam, Karl-Heinz Meiwes-Broer, Sönke Seifert, Alessandro Fortunelli, Stefan Vajda, Nobuyuki Fukui, Luca Sementa, Fabio R. Negreiros, Prasenjit Sen, Michael J. Pellin, Hisato Yasumatsu, Eric C. Tyo, Chunrong Yin, Akansha Singh, Giovanni Barcaro
Publikováno v:
Angewandte Chemie
130 (2018): 1223–1227. doi:10.1002/ange.201709784
info:cnr-pdr/source/autori:Negreiros, Fabio R.; Halder, Avik; Yin, Chunrong; Singh, Akansha; Barcaro, Giovanni; Sementa, Luca; Tyo, Eric C.; Pellin, Michael J.; Bartling, Stephan; Meiwes-Broer, Karl-Heinz; Seifert, Sönke; Sen, Prasenjit; Nigam, Sandeep; Majumder, Chiranjib; Fukui, Nobuyuki; Yasumatsu, Hisato; Vajda, Stefan; Fortunelli Alessandro/titolo:Bimetallic Ag-Pt sub-nanometer supported clusters as highly efficient and robust oxidation catalysts/doi:10.1002%2Fange.201709784/rivista:Angewandte Chemie (Print)/anno:2018/pagina_da:1223/pagina_a:1227/intervallo_pagine:1223–1227/volume:130
Angewandte Chemie (Int. ed., Print) 57 (2018): 1209–1213. doi:10.1002/anie.201709784
info:cnr-pdr/source/autori:Negreiros, Fabio R.; Halder, Avik; Yin, Chunrong; Singh, Akansha; Barcaro, Giovanni; Sementa, Luca; Tyo, Eric C.; Pellin, Michael J.; Bartling, Stephan; Meiwes-Broer, Karl-Heinz; Seifert, Sönke; Sen, Prasenjit; Nigam, Sandeep; Majumder, Chiranjib; Fukui, Nobuyuki; Yasumatsu, Hisato; Vajda, Stefan; Fortunelli Alessandro/titolo:Bimetallic Ag-Pt sub-nanometer supported clusters as highly efficient and robust oxidation catalysts/doi:10.1002%2Fanie.201709784/rivista:Angewandte Chemie (Int. ed., Print)/anno:2018/pagina_da:1209/pagina_a:1213/intervallo_pagine:1209–1213/volume:57
130 (2018): 1223–1227. doi:10.1002/ange.201709784
info:cnr-pdr/source/autori:Negreiros, Fabio R.; Halder, Avik; Yin, Chunrong; Singh, Akansha; Barcaro, Giovanni; Sementa, Luca; Tyo, Eric C.; Pellin, Michael J.; Bartling, Stephan; Meiwes-Broer, Karl-Heinz; Seifert, Sönke; Sen, Prasenjit; Nigam, Sandeep; Majumder, Chiranjib; Fukui, Nobuyuki; Yasumatsu, Hisato; Vajda, Stefan; Fortunelli Alessandro/titolo:Bimetallic Ag-Pt sub-nanometer supported clusters as highly efficient and robust oxidation catalysts/doi:10.1002%2Fange.201709784/rivista:Angewandte Chemie (Print)/anno:2018/pagina_da:1223/pagina_a:1227/intervallo_pagine:1223–1227/volume:130
Angewandte Chemie (Int. ed., Print) 57 (2018): 1209–1213. doi:10.1002/anie.201709784
info:cnr-pdr/source/autori:Negreiros, Fabio R.; Halder, Avik; Yin, Chunrong; Singh, Akansha; Barcaro, Giovanni; Sementa, Luca; Tyo, Eric C.; Pellin, Michael J.; Bartling, Stephan; Meiwes-Broer, Karl-Heinz; Seifert, Sönke; Sen, Prasenjit; Nigam, Sandeep; Majumder, Chiranjib; Fukui, Nobuyuki; Yasumatsu, Hisato; Vajda, Stefan; Fortunelli Alessandro/titolo:Bimetallic Ag-Pt sub-nanometer supported clusters as highly efficient and robust oxidation catalysts/doi:10.1002%2Fanie.201709784/rivista:Angewandte Chemie (Int. ed., Print)/anno:2018/pagina_da:1209/pagina_a:1213/intervallo_pagine:1209–1213/volume:57
A combined experimental and theoretical investigation of Ag-Pt sub-nanometer clusters as heterogeneous catalysts in the CO→CO_2 reaction (COox) is presented. Ag_9Pt_2 and Ag_9Pt_3 clusters are size-selected in the gas phase, deposited on an ultrath
Autor:
Nisha Mammen, Shobhana Narasimhan, Leonardo Spanu, Avik Halder, Michael J. Pellin, Stefan Vajda, Bing Yang, Eric C. Tyo, Sönke Seifert
Publikováno v:
European Journal of Inorganic Chemistry. 2018:16-22
Having the ability to tune the oxidation state of Cu nanoparticles is essential for their utility as catalysts. The degree of oxidation that maximizes product yield and selectivity is known to vary, depending on the particular reaction. Using first p
Autor:
Peter Zapol, Sönke Seifert, Larry A. Curtiss, Avik Halder, Bing Yang, Eric C. Tyo, Alex B. F. Martinson, Cong Liu, Stefan Vajda
Publikováno v:
The Journal of Physical Chemistry C. 121:10406-10412
Size-selected Cun catalysts (n = 3, 4, 20) were synthesized on Al2O3 thin films using mass-selected cluster deposition. A systematic study of size and support effects was carried out for CO2 hydrogenation at atmospheric pressure using a combination o
Autor:
Jeroen A. van Bokhoven, Michael J. Pellin, Maarten Nachtegaal, Stefan Vajda, Po-Tuan Chen, Michitoshi Hayashi, Eric C. Tyo, Peter Zapol, Olga V. Safonova
Publikováno v:
The Journal of Physical Chemistry C. 121:6614-6625
Size-selected Ag4 and Ag16 clusters on a titania surface have been studied for their potential in CO oxidation using theoretical calculations and X-ray absorption near edge spectroscopy. The first peak at the measured Ag K-edge of Ag16@TiO2 is more p
Autor:
Alessandro Fortunelli, Stefan Vajda, Sönke Seifert, Stephan Bartling, Giovanni Barcaro, Atsushi Beniya, Yoshihide Watanabe, Chunrong Yin, Eric C. Tyo, Karl-Heinz Meiwes-Broer, Noritake Isomura, Chiranjib Majumder, Luca Sementa, Hirohito Hirata, Sandeep Nigam, Fabio R. Negreiros
Publikováno v:
Journal of Materials Chemistry A 5 (2017): 4923–4931. doi:10.1039/c6ta10989f
info:cnr-pdr/source/autori:Yin, Chunrong; Negreiros, Fabio R.; Barcaro, Giovanni; Beniya, Atsushi; Sementa, Luca; Tyo, Eric C.; Bartling, Stephan; Meiwes-Broer, Karl-Heinz; Seifert, Sonke; Hirata, Hirohito; Isomura, Noritake; Nigam, Sandeep; Majumder, Chiranjib; Watanabe, Yoshihide; Fortunelli, Alessandro; Vajda, Stefan/titolo:Alumina-supported sub-nanometer Pt-10 clusters: amorphization and role of the support material in a highly active CO oxidation catalyst/doi:10.1039%2Fc6ta10989f/rivista:Journal of Materials Chemistry A/anno:2017/pagina_da:4923/pagina_a:4931/intervallo_pagine:4923–4931/volume:5
info:cnr-pdr/source/autori:Yin, Chunrong; Negreiros, Fabio R.; Barcaro, Giovanni; Beniya, Atsushi; Sementa, Luca; Tyo, Eric C.; Bartling, Stephan; Meiwes-Broer, Karl-Heinz; Seifert, Sonke; Hirata, Hirohito; Isomura, Noritake; Nigam, Sandeep; Majumder, Chiranjib; Watanabe, Yoshihide; Fortunelli, Alessandro; Vajda, Stefan/titolo:Alumina-supported sub-nanometer Pt-10 clusters: amorphization and role of the support material in a highly active CO oxidation catalyst/doi:10.1039%2Fc6ta10989f/rivista:Journal of Materials Chemistry A/anno:2017/pagina_da:4923/pagina_a:4931/intervallo_pagine:4923–4931/volume:5
Catalytic CO oxidation is unveiled on size-selected Pt-10 clusters deposited on two very different ultrathin (approximate to 0.5-0.7 nm thick) alumina films: (i) a highly ordered alumina obtained under ultra-high vacuum (UHV) by oxidation of the NiAl
Autor:
Nisha, Mammen, Leonardo, Spanu, Eric C, Tyo, Bing, Yang, Avik, Halder, Sönke, Seifert, Michael J, Pellin, Stefan, Vajda, Shobhana, Narasimhan
Publikováno v:
Journal of physics. Condensed matter : an Institute of Physics journal. 31(14)
We have used ab initio density functional theory together with ab initio atomistic thermodynamics, and in situ x-ray absorption near edge spectroscopy (XANES) experiments, to study the oxidation of sub-nanometer clusters of Cu
Autor:
Soenke Seifert, Michael J. Pellin, Gihan Kwon, Eric C. Tyo, Sungsik Lee, Joseph A. Libera, Stefan Vajda, Jeffrey W. Elam, Shannon C. Riha
Publikováno v:
ChemSusChem. 9:3005-3011
The complexity of the water oxidation reaction makes understanding the role of individual catalytic sites critical to improving the process. Here, size-selected 27-atom cobalt clusters (Co27) deposited on hematite (Fe2O3) anodes were tested for water
Autor:
Siglinda Parathoner, Stefan Vajda, Avik Halder, Bing Yang, Sönke Seifert, Eric C. Tyo, Rosalba Passalacqua, Gabriele Centi
Publikováno v:
Catalysis Science & Technology. 6:6977-6985
The study of the electrochemical behavior (in the presence of N2 or CO2) of size-controlled naked Cu5 and Cu20 nanoclusters, prepared using a combination of gas-phase cluster ion sources, mass spectrometry, and soft-landing techniques, evidences some
Autor:
Eric C. Tyo, Stefan Vajda, Ethan J. Crumlin, Baohua Mao, Michael J. Pellin, Yimin Li, Sui-Dong Wang, Zhi Liu
Publikováno v:
Catalysis Science & Technology. 6:6778-6783
In this work, ambient pressure X-ray photoelectron spectroscopy (APXPS) was used to investigate the effect of oxygen adsorption on the band bending and electron affinity of Al2O3, ZnO and TiO2 ultrathin films (∼1 nm in thickness) deposited on a Si