Search Results - "Vélez, Juan"

Controlling the Oxidation State of the Cu Electrode and Reaction Intermediates for Electrochemical CO2 Reduction to Ethylene by Chou, Tsu-Chin, Chang, Chiao-Chun, Yu, Hung-Ling, Yu, Wen-Yueh, Dong, Chung-Li, Velasco-Vélez, Juan-Jesús, Chuang, Cheng-Hao, Chen, Li-Chyong, Lee, Jyh-Fu, Chen, Jin-Ming, Wu, Heng-Liang

“…Understanding the role of the oxidation state of the Cu surface and surface-adsorbed intermediate species in electrochemical CO2 reduction is crucial for the…”
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In situ observation of reactive oxygen species forming on oxygen-evolving iridium surfaces by Pfeifer, Verena, Jones, Travis E, Velasco Vélez, Juan J, Arrigo, Rosa, Piccinin, Simone, Hävecker, Michael, Knop-Gericke, Axel, Schlögl, Robert

“…Water splitting performed in acidic media relies on the exceptional performance of iridium-based materials to catalyze the oxygen evolution reaction (OER). In…”
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The Oxidation of Platinum under Wet Conditions Observed by Electrochemical X‑ray Photoelectron Spectroscopy by Mom, Rik, Frevel, Lorenz, Velasco-Vélez, Juan-Jesús, Plodinec, Milivoj, Knop-Gericke, Axel, Schlögl, Robert

“…During the electrochemical reduction of oxygen, platinum catalysts are often (partially) oxidized. While these platinum oxides are thought to play a crucial…”
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The Electrophilicity of Surface Carbon Species in the Redox Reactions of CuO‐CeO2 Catalysts by Kang, Liqun, Wang, Bolun, Güntner, Andreas T., Xu, Siyuan, Wan, Xuhao, Liu, Yiyun, Marlow, Sushila, Ren, Yifei, Gianolio, Diego, Tang, Chiu C., Murzin, Vadim, Asakura, Hiroyuki, He, Qian, Guan, Shaoliang, Velasco‐Vélez, Juan J., Pratsinis, Sotiris E., Guo, Yuzheng, Wang, Feng Ryan

“…Electronic metal–support interactions (EMSI) describe the electron flow between metal sites and a metal oxide support. It is generally used to follow the…”
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In Situ X‑ray Spectroscopy of the Electrochemical Development of Iridium Nanoparticles in Confined Electrolyte by Frevel, Lorenz J, Mom, Rik, Velasco-Vélez, Juan-Jesús, Plodinec, Milivoj, Knop-Gericke, Axel, Schlögl, Robert, Jones, Travis E

“…Iridium oxide-based catalysts are uniquely active and stable in the oxygen evolution reaction. Theoretical work attributes their activity to oxyl or μ1-O…”
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Reactive oxygen species in iridium-based OER catalysts by Pfeifer, Verena, Jones, Travis E, Wrabetz, Sabine, Massué, Cyriac, Velasco Vélez, Juan J, Arrigo, Rosa, Scherzer, Michael, Piccinin, Simone, Hävecker, Michael, Knop-Gericke, Axel, Schlögl, Robert

“…Tremendous effort has been devoted towards elucidating the fundamental reasons for the higher activity of hydrated amorphous Ir oxyhydroxides (IrO ) in the…”
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Surface Electron-Hole Rich Species Active in the Electrocatalytic Water Oxidation by Velasco-Vélez, Juan-Jesús, Carbonio, Emilia A, Chuang, Cheng-Hao, Hsu, Cheng-Jhih, Lee, Jyh-Fu, Arrigo, Rosa, Hävecker, Michael, Wang, Ruizhi, Plodinec, Milivoj, Wang, Feng Ryan, Centeno, Alba, Zurutuza, Amaia, Falling, Lorenz J, Mom, Rik Valentijn, Hofmann, Stephan, Schlögl, Robert, Knop-Gericke, Axel, Jones, Travis E

“…Iridium and ruthenium and their oxides/hydroxides are the best candidates for the oxygen evolution reaction under harsh acidic conditions owing to the low…”
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A systematic review on microplastic pollution in water, sediments, and organisms from 50 coastal lagoons across the globe by Garcés-Ordóñez, Ostin, Saldarriaga-Vélez, Juan F., Espinosa-Díaz, Luisa F., Canals, Miquel, Sánchez-Vidal, Anna, Thiel, Martin

“…Coastal lagoons are transitional environments between continental and marine aquatic systems. Globally, coastal lagoons are of great ecological and…”
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AgCu Bimetallic Electrocatalysts for the Reduction of Biomass-Derived Compounds by Sanghez de Luna, Giancosimo, Ho, Phuoc H, Sacco, Adriano, Hernández, Simelys, Velasco-Vélez, Juan-Jesús, Ospitali, Francesca, Paglianti, Alessandro, Albonetti, Stefania, Fornasari, Giuseppe, Benito, Patricia

“…The electrochemical transformation of biomass-derived compounds (e.g., aldehyde electroreduction to alcohols) is gaining increasing interest due to the…”
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Posaconazole versus voriconazole for primary treatment of invasive aspergillosis: a phase 3, randomised, controlled, non-inferiority trial by Maertens, Johan A, Rahav, Galia, Lee, Dong-Gun, Ponce-de-León, Alfredo, Ramírez Sánchez, Isabel Cristina, Klimko, Nikolay, Sonet, Anne, Haider, Shariq, Diego Vélez, Juan, Raad, Issam, Koh, Liang-Piu, Karthaus, Meinolf, Zhou, Jianying, Ben-Ami, Ronen, Motyl, Mary R, Han, Seongah, Grandhi, Anjana, Waskin, Hetty

“…Voriconazole has been recommended as primary treatment for patients with invasive aspergillosis. Intravenous and tablet formulations of posaconazole that have…”
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On the Activity/Selectivity and Phase Stability of Thermally Grown Copper Oxides during the Electrocatalytic Reduction of CO2 by Velasco-Vélez, Juan-Jesús, Chuang, Cheng-Hao, Gao, Dunfeng, Zhu, Qingjun, Ivanov, Danail, Jeon, Hyo Sang, Arrigo, Rosa, Mom, Rik Valentijn, Stotz, Eugen, Wu, Heng-Liang, Jones, Travis E, Roldan Cuenya, Beatriz, Knop-Gericke, Axel, Schlögl, Robert

“…Revealing the active nature of oxide-derived copper is of key importance to understand its remarkable catalytic performance during the cathodic CO2 reduction…”
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Cooperative Redox Transitions Drive Electrocatalysis of the Oxygen Evolution Reaction on Cobalt–Iron Core–Shell Nanoparticles by Royer, Lisa, Bonnefont, Antoine, Asset, Tristan, Rotonnelli, Benjamin, Velasco-Vélez, Juan-Jesús, Holdcroft, Steven, Hettler, Simon, Arenal, Raul, Pichon, Benoit, Savinova, Elena

“…Transition metal oxides are promising materials for the development of cost-effective catalysts for the oxygen evolution reaction (OER) in alkaline media…”
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In Situ Electrochemical Cells to Study the Oxygen Evolution Reaction by Near Ambient Pressure X-ray Photoelectron Spectroscopy by Streibel, Verena, Hävecker, Michael, Yi, Youngmi, Velasco Vélez, Juan J., Skorupska, Katarzyna, Stotz, Eugen, Knop-Gericke, Axel, Schlögl, Robert, Arrigo, Rosa

“…In this contribution, we report the development of in situ electrochemical cells based on proton exchange membranes suitable for studying interfacial…”
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Graphene-Capped Liquid Thin Films for Electrochemical Operando X‑ray Spectroscopy and Scanning Electron Microscopy by Falling, Lorenz J, Mom, Rik V, Sandoval Diaz, Luis E, Nakhaie, Siamak, Stotz, Eugen, Ivanov, Danail, Hävecker, Michael, Lunkenbein, Thomas, Knop-Gericke, Axel, Schlögl, Robert, Velasco-Vélez, Juan-Jesús

“…Electrochemistry is a promising building block for the global transition to a sustainable energy market. Particularly the electroreduction of CO2 and the…”
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Adsorption and activation of molecular oxygen over atomic copper(I/II) site on ceria by Kang, Liqun, Wang, Bolun, Bing, Qiming, Zalibera, Michal, Büchel, Robert, Xu, Ruoyu, Wang, Qiming, Liu, Yiyun, Gianolio, Diego, Tang, Chiu C., Gibson, Emma K., Danaie, Mohsen, Allen, Christopher, Wu, Ke, Marlow, Sushila, Sun, Ling-dong, He, Qian, Guan, Shaoliang, Savitsky, Anton, Velasco-Vélez, Juan J., Callison, June, Kay, Christopher W. M., Pratsinis, Sotiris E., Lubitz, Wolfgang, Liu, Jing-yao, Wang, Feng Ryan

“…Supported atomic metal sites have discrete molecular orbitals. Precise control over the energies of these sites is key to achieving novel reaction pathways…”
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Operando Structure–Activity–Stability Relationship of Iridium Oxides during the Oxygen Evolution Reaction by Mom, Rik V, Falling, Lorenz J, Kasian, Olga, Algara-Siller, Gerardo, Teschner, Detre, Crabtree, Robert H, Knop-Gericke, Axel, Mayrhofer, Karl J. J, Velasco-Vélez, Juan-Jesús, Jones, Travis E

“…Creating active and stable electrodes is an essential step toward efficient and durable electrolyzers. To achieve this goal, understanding what aspects of the…”
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Assessment of the Degradation Mechanisms of Cu Electrodes during the CO2 Reduction Reaction by Mom, Rik V., Sandoval-Diaz, Luis-Ernesto, Gao, Dunfeng, Chuang, Cheng-Hao, Carbonio, Emilia A., Jones, Travis E., Arrigo, Rosa, Ivanov, Danail, Hävecker, Michael, Roldan Cuenya, Beatriz, Schlögl, Robert, Lunkenbein, Thomas, Knop-Gericke, Axel, Velasco-Vélez, Juan-Jesús

“…Catalyst degradation and product selectivity changes are two of the key challenges in the electrochemical reduction of CO2 on copper electrodes. Yet, these…”
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Impact of n-butanol and hydrous ethanol fumigation on the performance and pollutant emissions of an automotive diesel engine by López, Andrés F., Cadrazco, Marlon, Agudelo, Andrés F., Corredor, Lesmes A., Vélez, Juan A., Agudelo, John R.

“…This work studied the impact of hydrous ethanol and n-butanol fumigation on the combustion characteristics, performance, pollutant emissions, particle number…”
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A 5G Hubs Location Hierarchized Problem that Balances the Connection of the Users by Camacho-Vallejo, José-Fernando, García-Vélez, Juan-Carlos, Corpus, Carlos

“…In this paper, a telecommunication network situation is studied. Particularly, the problem considers an upper-level decision maker that enables different types…”
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Interfacial Chemistry in the Electrocatalytic Hydrogenation of CO2 over C‑Supported Cu-Based Systems by Gianolio, Diego, Higham, Michael D., Quesne, Matthew G., Aramini, Matteo, Xu, Ruoyu, Large, Alex I., Held, Georg, Velasco-Vélez, Juan-Jesús, Haevecker, Michael, Knop-Gericke, Axel, Genovese, Chiara, Ampelli, Claudio, Schuster, Manfred Erwin, Perathoner, Siglinda, Centi, Gabriele, Catlow, C. Richard A., Arrigo, Rosa

“…Operando soft and hard X-ray spectroscopic techniques were used in combination with plane-wave density functional theory (DFT) simulations to rationalize the…”
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