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Listar por autor "Graciani Alonso, Jesús"
Mostrando ítems 1-16 de 16
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Artículo
A theoretical insight into the catalytic effect of a mixed-metal oxide at the nanometer level: The case of the highly active metal/CeOx/TiO2(110) catalysts
Graciani Alonso, Jesús; Plata Ramos, José Javier; Fernández Sanz, Javier; Liu, Ping; Rodríguez, José A. (AIP Publishing, 2010-03)The structural and electronic properties of CeOx species supported on the rutile TiO2 110 surface have been examined by ...
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Artículo
Adsorption and activation of CO2 on Pt/CeOx/TiO2(110): Role of the Pt-CeOx interface
Grinter, David C.; Graciani Alonso, Jesús; Palomino, Robert M.; Xu, Fang; Waluyo, Iradwikanari; Fernández Sanz, Javier; Senanayake, Sanjaya D.; Rodríguez, José A. (Elsevier, 2021)The adsorption and dissociation of CO2 on TiO2(110), CeOx/TiO2(110) and Pt/CeOx/TiO2(110) surfaces has been examined using ...
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Artículo
Changing the physical and chemical properties of titanium oxynitrides TiN1-x Ox by changing the composition
Graciani Alonso, Jesús; Hamad, Said; Fernández Sanz, Javier (American Physical Society, 2009)The stability and structural properties of titanium oxynitrides, TiN1-x Ox, of different compositions are theoretically ...
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Artículo
Cu Deposited on CeOx-Modified TiO2(110): Synergistic Effects at the Metal-Oxide Interface and the Mechanism of the WGS Reaction
Plata Ramos, José Javier; Graciani Alonso, Jesús; Evans, Jaime; Rodriguez, José A.; Fernández Sanz, Javier (American Chemical Society, 2016)Experimental techniques and DFT calculations have been combined to study and compare the effect of the metal-substrate ...
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Tesis Doctoral
Diseño computacional de catalizadores: efecto promotor del potasio en la reacción de WGS sobre sistemas metálicos, óxidos y mixtos
Rodríguez Remesal, Elena (2021-10-01)En este trabajo se ha profundizado en el estudio del diseño de nuevos catalizadores para la reacción de desplazamiento de ...
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Artículo
High catalytic activity of Au/CeO x/TiO 2(110) controlled by the nature of the mixed-metal oxide at the nanometer level
Park, Joon B.; Graciani Alonso, Jesús; Evans, Jaime; Stacchiola, Dario; Ma, Shuguo; Liu, Ping; Nambu, Akira; Fernández Sanz, Javier; Hrbek, Jan; Rodríguez, José A. (National Academy of Sciences, 2009)Mixed-metal oxides play a very important role in many areas of chemistry, physics, materials science, and geochemistry. ...
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Artículo
Interaction of oxygen with TiN (001): N↔O exchange and oxidation process
Graciani Alonso, Jesús; Fernández Sanz, Javier; Asaki, T.; Nakamura, K.; Rodríguez, José A. (AIP Publishing, 2007-06)This work presents a detailed experimental and theoretical study of the oxidation of TiN(001) using a combination of ...
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Artículo
Inverse Oxide/Metal Catalysts in Fundamental Studies and Practical Applications: A Perspective of Recent Developments
Rodriguez, José A.; Liu, Ping; Graciani Alonso, Jesús; Senanayake, Sanjaya D.; Grinter, David C.; Stacchiola, Dario J.; Hrbek, Jan; Fernández Sanz, Javier (American Chemical Society, 2016)Inverse oxide/metal catalysts have shown to be excellent systems for studying the role of the oxide and oxide-metal interface ...
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Artículo
Low pressure CO2 hydrogenation to methanol over gold nanoparticles activated on a CeOx/TiO2 Interface
Yang, Xiaofang; Kattel, Shyam; Senanayake, Sanjaya D.; Boscoboinik, J. Anibal; Nie, Xiaowa; Graciani Alonso, Jesús; Rodriguez, José A.; Liu, Ping; Stacchiola, Darío J.; Chen, Jingguang G. (American Chemical Society, 2015)Capture and recycling of CO2 into valuable chemicals such as alcohols could help mitigate its emissions into the atmosphere. ...
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Artículo
N doping of TiO 2(110) Photoemission and density-functional studies
Nambu, Akira; Graciani Alonso, Jesús; Rodríguez, José A.; Wu, Qin; Fujita, E.; Fernández Sanz, Javier (AIP Publishing, 2006-09)The electronic properties of N-doped rutile TiO2(110) have been investigated using synchrotron-based photoemission and ...
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Artículo
Potassium and Water Coadsorption on TiO2(110): OH-Induced Anchoring of Potassium and the Generation of Single-Site Catalysts
Grinter, David C.; Rodríguez Remesal, Elena; Luo, Si; Evans, Jaime; Senanayake, Sanjaya D.; Stacchiola, Dario J.; Graciani Alonso, Jesús; Fernández Sanz, Javier; Rodriguez, José A. (American Chemical Society, 2016)Potassium deposition on TiO2(110) results in reduction of the substrate and formation of loosely bound potassium species ...
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Artículo
Role of vacancies in the structural stability of α-TiO: a first-principles study based on density-functional calculations
Graciani Alonso, Jesús; Márquez Cruz, Antonio Marcial; Fernández Sanz, Javier (American Physical Society, 2005)Many transition-metal monoxides formally having an fcc rock-salt structure exhibit a relatively high degree of vacancies, ...
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Artículo
Understanding the Photocatalytic Properties of Pt/CeOx/TiO2: Structural Effects on Electronic and Optical Properties
Plata Ramos, José Javier; Rodríguez Remesal, Elena; Graciani Alonso, Jesús; Márquez Cruz, Antonio Marcial; Rodríguez, J. A.; Fernández Sanz, Javier (Wiley, 2019-06-07)Ceria‐titania interfaces play a crucial role in different chemical processes but are especially promising for the ...
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Artículo
Visible Light-Driven H2 Production over Highly Dispersed Ruthenia on Rutile TiO2 Nanorods
Nguyen-Phan, Thuy Duong; Luo, Si; Vovchok, Dimitriy; Llorca, Jordi; Graciani Alonso, Jesús; Fernández Sanz, Javier; Sallis, Shawn; Xu, Wenqian; Bai, Jianming; Rodriguez, José A. (American Chemical Society, 2016)The immobilization of miniscule quantities of RuO2 (∼0.1%) onto one-dimensional (1D) TiO2 nanorods (NRs) allows H2 evolution ...
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Artículo
Water-Gas Shift Reaction on K/Cu(111) and Cu/K/TiO2(110) Surfaces: Alkali Promotion of Water Dissociation and Production of H2
Rodriguez, José A.; Rodríguez Remesal, Elena; Ramírez, Pedro J.; Orozco, Ivan; Liu, Zongyuan; Graciani Alonso, Jesús; Senanayake, Sanjaya D.; Fernández Sanz, Javier (American Chemical Society, 2019)The addition of potassium atoms to Cu(111) and Cu/TiO2(110) surfaces substantially enhances the rate for water dissociation ...
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Artículo
When ruthenia met titania: achieving extraordinary catalytic activity at low temperature by nanostructuring of oxides
Graciani Alonso, Jesús; Yang, Fan; Evans, Jaime; Vidal, A. B.; Stacchiola, Dario J.; Rodriguez, J. A.; Fernández Sanz, Javier (Royal Society of Chemistry, 2015)Nanostructured RuOx/TiO2(110) catalysts have a remarkable catalytic activity for CO oxidation at temperatures in the range ...