Search Results - "Perez‐Alonso, Francisco J."

The Effect of Size on the Oxygen Electroreduction Activity of Mass-Selected Platinum Nanoparticles by Perez-Alonso, Francisco J., McCarthy, David N., Nierhoff, Anders, Hernandez-Fernandez, Patricia, Strebel, Christian, Stephens, Ifan E. L., Nielsen, Jane H., Chorkendorff, Ib

“…A matter of size: The particle size effect on the activity of the oxygen reduction reaction of size‐selected platinum clusters was studied. The ORR activity…”
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Design of an Active Site towards Optimal Electrocatalysis: Overlayers, Surface Alloys and Near-Surface Alloys of Cu/Pt(111) by Bandarenka, Aliaksandr S., Varela, Ana Sofia, Karamad, Mohammedreza, Calle-Vallejo, Federico, Bech, Lone, Perez-Alonso, Francisco J., Rossmeisl, Jan, Stephens, Ifan E. L., Chorkendorff, Ib

“…I could never be without Cu: An active site has been designed for the catalysis of CO electroxidation. This was achieved by incorporating submonolayer amounts…”
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Tuning the Activity of Pt(111) for Oxygen Electroreduction by Subsurface Alloying by Stephens, Ifan E. L, Bondarenko, Alexander S, Perez-Alonso, Francisco J, Calle-Vallejo, Federico, Bech, Lone, Johansson, Tobias P, Jepsen, Anders K, Frydendal, Rasmus, Knudsen, Brian P, Rossmeisl, Jan, Chorkendorff, Ib

“…To enable the development of low temperature fuel cells, significant improvements are required to the efficiency of the Pt electrocatalysts at the cathode,…”
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Identical locations transmission electron microscopy study of Pt/C electrocatalyst degradation during oxygen reduction reaction by Perez-Alonso, Francisco J., Elkjær, Christian F., Shim, Signe S., Abrams, Billie L., Stephens, Ifan E.L., Chorkendorff, Ib

“…► This study has demonstrated the use of the identical locations transmission electron microscopy (IL-TEM) method with the TEM grid as the sole working…”
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The Pt(111)/Electrolyte Interface under Oxygen Reduction Reaction Conditions: An Electrochemical Impedance Spectroscopy Study by Bondarenko, Alexander S, Stephens, Ifan E. L, Hansen, Heine A, Pérez-Alonso, Francisco J, Tripkovic, Vladimir, Johansson, Tobias P, Rossmeisl, Jan, Nørskov, Jens K, Chorkendorff, Ib

“…The Pt(111)/electrolyte interface has been characterized during the oxygen reduction reaction (ORR) in 0.1 M HClO4 using electrochemical impedance…”
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Catalytic valorization of CO2 via methanol synthesis with Ga-promoted Cu-ZnO-ZrO2 catalysts by LADERA, Rosa, PÉREZ-ALONSO, Francisco J, GONZALEZ-CARBALLO, Juan M, OJEDA, Manuel, ROJAS, Sergio, FIERRO, José Luis G

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Genesis of iron carbides and their role in the synthesis of hydrocarbons from synthesis gas by Herranz, Tirma, Rojas, Sergio, Pérez-Alonso, Francisco J., Ojeda, Manuel, Terreros, Pilar, Fierro, José Luis G.

“…A series of iron-based Fischer–Tropsch catalysts, either pure or promoted with Ce or Mn, were subjected to different activation treatments with H 2, CO, or H…”
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In-situ study of the promotional effect of chlorine on the Fischer–Tropsch synthesis with Ru/Al2O3 by González-Carballo, Juan María, Pérez-Alonso, Francisco J., García-García, F. Javier, Ojeda, Manuel, Fierro, José Luis G., Rojas, Sergio

“…[Display omitted] •Cl addition to Ru/Al2O3 increases TOF for the FTS.•Cl addition leads to higher number of low-coordinated Ru sites.•Steady-state FTS…”
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Ru-M (M = Fe or Co) Catalysts with high Ru surface concentration for Fischer-Tropsch synthesis by Liuzzi, Dalia, Pérez-Alonso, Francisco J., Rojas, Sergio

“…[Display omitted] •The reduction-deposition method allows the formation of small Ru particles.•Ru-Co/Al2O3 displays up to five times higher CO conversion than…”
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Inside Cover: Design of an Active Site towards Optimal Electrocatalysis: Overlayers, Surface Alloys and Near-Surface Alloys of Cu/Pt(111) (Angew. Chem. Int. Ed. 47/2012) by Bandarenka, Aliaksandr S., Varela, Ana Sofia, Karamad, Mohammedreza, Calle-Vallejo, Federico, Bech, Lone, Perez-Alonso, Francisco J., Rossmeisl, Jan, Stephens, Ifan E. L., Chorkendorff, Ib

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Chromium (VI) removal from water by means of adsorption-reduction at the surface of amino-functionalized MCM-41 sorbents by Fellenz, Nicolás, Perez-Alonso, Francisco J., Martin, Pedro P., García-Fierro, José L., Bengoa, José F., Marchetti, Sergio G., Rojas, Sergio

“…A first study that demonstrates the capability of the amino-functionalized MCM-41 sorbents to reduce Cr(VI) to the less toxic trivalent state is presented. To…”
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Evidences of Two-Regimes in the Measurement of Ru Particle Size Effect for CO Dissociation during Fischer-Tropsch Synthesis by González-Carballo, Juan M., Pérez-Alonso, Francisco J., Ojeda, Manuel, García-García, F. Javier, Fierro, José Luis G., Rojas, Sergio

“…This work assesses the effect of the particle size for the Fischer–Tropsch synthesis with catalysts based on Ru particles between 4 and 71 nm. CO dissociation…”
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Structural effects of LaNiO3 as electrocatalyst for the oxygen reduction reaction by Retuerto, María, Pereira, Amaru González, Pérez-Alonso, Francisco J., Peña, Miguel A., Fierro, José Luis G., Alonso, José Antonio, Fernández-Díaz, María Teresa, Pascual, Laura, Rojas, Sergio

“…[Display omitted] •LaNiO3 perovskites are good electrocatalysts for the ORR.•ORR activity is affected by BET, particle size, Ni eg occupancy and…”
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In Situ Study of Ethanol Electrooxidation on Monodispersed Pt3Sn Nanoparticles by Herranz, Tirma, Ibáñez, María, Gómez de la Fuente, José L., Pérez‐Alonso, Francisco J., Peña, Miguel A., Cabot, Andreu, Rojas, Sergio

“…Monodispersed Pt3Sn nanoparticles were prepared through a mild thermal synthesis in the presence of surfactants. The performance of Pt3Sn for the…”
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In Situ Infrared Study of the Electrooxidation of Ethanol and Acetaldehyde in Acid Electrolyte by Torrero, Jorge, Pérez-Alonso, Francisco J., Peña, Miguel A., Domínguez, Carlota, Al-Youbi, Abdulrahman O., Al-Thabaiti, Shaeel A., Basahel, Sulaiman N., Alshehri, Abdulmohsen A., Rojas, Sergio

“…Abstract The electrooxidation of ethanol and acetaldehyde on Pt/C has been studied by using in situ IR spectroscopy. To identify the species formed during the…”
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Effect of the pyrolysis atmosphere and nature of iron precursor on the structure and activity of Fe/N based electrocatalysts for the oxygen reduction reaction by Domínguez, Carlota, Peña, Miguel A., Rojas, Sergio, Pérez-Alonso, Francisco J.

“…The optimization of the synthesis of Fe/N/G catalysts for the oxygen reduction reaction (ORR) has been investigated. The synthesis of Fe/N/G comprises a solid…”
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Effect of N and S co-doping of multiwalled carbon nanotubes for the oxygen reduction by Domínguez, Carlota, Pérez-Alonso, Francisco J., Al-Thabaiti, Shaeel A., Basahel, Sulaiman Nassir, Obaid, Abdullah Y., Alyoubi, Abdurrahman Obaid, Gómez de la Fuente, José L., Rojas, Sergio

“…[Display omitted] •The number of defects created on CNTs increases with the duration of ballmilling.•The incorporation of N and S into CNTs is favoured by the…”
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Evidences of the presence of different types of active sites for the oxygen reduction reaction with Fe/N/C based catalysts by Pérez-Alonso, Francisco J., Domínguez, Carlota, Al-Thabaiti, Shaeel A., Al-Youbi, Abdulrahman O., Abdel Salam, Mohamed, Alshehri, Abdulmohsen A., Retuerto, María, Peña, Miguel A., Rojas, Sergio

“…Fe/N/C catalysts are very active for the oxygen reduction reaction (ORR); however, the nature of the active site(s) is not fully understood. In this work, we…”
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On the relationship between N content, textural properties and catalytic performance for the oxygen reduction reaction of N/CNT by Domínguez, Carlota, Pérez-Alonso, Francisco J., Abdel Salam, Mohamed, Al-Thabaiti, Shaeel A., Obaid, Abdullah Y., Alshehri, Abdulmohsen A., Gómez de la Fuente, José L., Fierro, José L.G., Rojas, Sergio

“…•The activity of N/CNT for the ORR increases with the amount of N.•The amount of N incorporated into CNTs increases with the amount of defects.•By generating…”
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Design of an Active Site towards Optimal Electrocatalysis: Overlayers, Surface Alloys and Near-Surface Alloys of Cu/Pt(111) by Bandarenka, Aliaksandr S., Varela, Ana Sofia, Karamad, Mohammedreza, Calle-Vallejo, Federico, Bech, Lone, Perez-Alonso, Francisco J., Rossmeisl, Jan, Stephens, Ifan E. L., Chorkendorff, Ib

“…Ein aktives Zentrum für die Katalyse der CO‐Elektrooxidation wurde entworfen. Dies gelang durch Einführung von Cu (orangefarbene Kugeln im Schema) in Mengen…”
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