Search Results - "Pastor, Ernest"

Evaluation of Surface State Mediated Charge Recombination in Anatase and Rutile TiO2 by Sachs, Michael, Pastor, Ernest, Kafizas, Andreas, Durrant, James R

“…In nanostructured thin films, photogenerated charge carriers can access the surface more easily than in dense films and thus react more readily. However, the…”
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Multihole water oxidation catalysis on haematite photoanodes revealed by operando spectroelectrochemistry and DFT by Mesa, Camilo A., Francàs, Laia, Yang, Ke R., Garrido-Barros, Pablo, Pastor, Ernest, Ma, Yimeng, Kafizas, Andreas, Rosser, Timothy E., Mayer, Matthew T., Reisner, Erwin, Grätzel, Michael, Batista, Victor S., Durrant, James R.

“…Water oxidation is the key kinetic bottleneck of photoelectrochemical devices for fuel synthesis. Despite advances in the identification of intermediates,…”
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Rate Law Analysis of Water Oxidation on a Hematite Surface by Le Formal, Florian, Pastor, Ernest, Tilley, S. David, Mesa, Camilo A, Pendlebury, Stephanie R, Grätzel, Michael, Durrant, James R

“…Water oxidation is a key chemical reaction, central to both biological photosynthesis and artificial solar fuel synthesis strategies. Despite recent progress…”
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In situ observation of picosecond polaron self-localisation in α-Fe2O3 photoelectrochemical cells by Pastor, Ernest, Park, Ji-Sang, Steier, Ludmilla, Kim, Sunghyun, Grätzel, Michael, Durrant, James R., Walsh, Aron, Bakulin, Artem A.

“…Hematite (α-Fe 2 O 3 ) is the most studied artificial oxygen-evolving photo-anode and yet its efficiency limitations and their origin remain unknown. A…”
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Impact of Oxygen Vacancy Occupancy on Charge Carrier Dynamics in BiVO4 Photoanodes by Selim, Shababa, Pastor, Ernest, García-Tecedor, Miguel, Morris, Madeleine R, Francàs, Laia, Sachs, Michael, Moss, Benjamin, Corby, Sacha, Mesa, Camilo A, Gimenez, Sixto, Kafizas, Andreas, Bakulin, Artem A, Durrant, James R

“…Oxygen vacancies are ubiquitous in metal oxides and critical to performance, yet the impact of these states upon charge carrier dynamics important for…”
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Spectroelectrochemical study of water oxidation on nickel and iron oxyhydroxide electrocatalysts by Francàs, Laia, Corby, Sacha, Selim, Shababa, Lee, Dongho, Mesa, Camilo A., Godin, Robert, Pastor, Ernest, Stephens, Ifan E. L., Choi, Kyoung-Shin, Durrant, James R.

“…Ni/Fe oxyhydroxides are the best performing Earth-abundant electrocatalysts for water oxidation. However, the origin of their remarkable performance is not…”
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Kinetics of Photoelectrochemical Oxidation of Methanol on Hematite Photoanodes by Mesa, Camilo A, Kafizas, Andreas, Francàs, Laia, Pendlebury, Stephanie R, Pastor, Ernest, Ma, Yimeng, Le Formal, Florian, Mayer, Matthew T, Grätzel, Michael, Durrant, James R

“…The kinetics of photoelectrochemical (PEC) oxidation of methanol, as a model organic substrate, on α-Fe2O3 photoanodes are studied using photoinduced…”
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Effect of oxygen deficiency on the excited state kinetics of WO3 and implications for photocatalysis by Sachs, Michael, Ji-Sang, Park, Pastor, Ernest, Kafizas, Andreas, Wilson, Anna A, Francàs, Laia, Gul, Sheraz, Ling, Min, Blackman, Chris, Yano, Junko, Walsh, Aron, Durrant, James R

“…Oxygen vacancies are widely used to tune the light absorption of semiconducting metal oxides, but a photophysical framework describing the impact of such point…”
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Spectroelectrochemical analysis of the mechanism of (photo)electrochemical hydrogen evolution at a catalytic interface by Pastor, Ernest, Le Formal, Florian, Mayer, Matthew T., Tilley, S. David, Francàs, Laia, Mesa, Camilo A., Grätzel, Michael, Durrant, James R.

“…Multi-electron heterogeneous catalysis is a pivotal element in the (photo)electrochemical generation of solar fuels. However, mechanistic studies of these…”
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Charge Separation, Band-Bending, and Recombination in WO3 Photoanodes by Corby, Sacha, Pastor, Ernest, Dong, Yifan, Zheng, Xijia, Francàs, Laia, Sachs, Michael, Selim, Shababa, Kafizas, Andreas, Bakulin, Artem A, Durrant, James R

“…In metal oxide-based photoelectrochemical devices, the spatial separation of photogenerated electrons and holes is typically attributed to band-bending at the…”
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Water Oxidation Kinetics of Accumulated Holes on the Surface of a TiO2 Photoanode: A Rate Law Analysis by Kafizas, Andreas, Ma, Yimeng, Pastor, Ernest, Pendlebury, Stephanie R, Mesa, Camilo, Francàs, Laia, Le Formal, Florian, Noor, Nuruzzaman, Ling, Min, Sotelo-Vazquez, Carlos, Carmalt, Claire J, Parkin, Ivan P, Durrant, James R

“…It has been more than 40 years since Fujishima and Honda demonstrated water splitting using TiO2, yet there is still no clear mechanism by which surface holes…”
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Correlating activities and defects in (photo)electrocatalysts using in-situ multi-modal microscopic imaging by Mesa, Camilo A., Sachs, Michael, Pastor, Ernest, Gauriot, Nicolas, Merryweather, Alice J., Gomez-Gonzalez, Miguel A., Ignatyev, Konstantin, Giménez, Sixto, Rao, Akshay, Durrant, James R., Pandya, Raj

“…Photo(electro)catalysts use sunlight to drive chemical reactions such as water splitting. A major factor limiting photocatalyst development is physicochemical…”
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Stimulated X-Ray Emission Spectroscopy in Transition Metal Complexes by Kroll, Thomas, Weninger, Clemens, Alonso-Mori, Roberto, Sokaras, Dimosthenis, Zhu, Diling, Mercadier, Laurent, Majety, Vinay P, Marinelli, Agostino, Lutman, Alberto, Guetg, Marc W, Decker, Franz-Josef, Boutet, Sébastien, Aquila, Andy, Koglin, Jason, Koralek, Jake, DePonte, Daniel P, Kern, Jan, Fuller, Franklin D, Pastor, Ernest, Fransson, Thomas, Zhang, Yu, Yano, Junko, Yachandra, Vittal K, Rohringer, Nina, Bergmann, Uwe

“…We report the observation and analysis of the gain curve of amplified Kα x-ray emission from solutions of Mn(II) and Mn(VII) complexes using an x-ray free…”
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Programmable chalcogenide-based all-optical deep neural networks by Teo, Ting Yu, Ma, Xiaoxuan, Pastor, Ernest, Wang, Hao, George, Jonathan K., Yang, Joel K. W., Wall, Simon, Miscuglio, Mario, Simpson, Robert E., Sorger, Volker J.

“…We demonstrate a passive all-chalcogenide all-optical perceptron scheme. The network’s nonlinear activation function (NLAF) relies on the nonlinear response of…”
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Rate Law Analysis of Water Oxidation and Hole Scavenging on a BiVO4 Photoanode by Ma, Yimeng, Mesa, Camilo A, Pastor, Ernest, Kafizas, Andreas, Francàs, Laia, Le Formal, Florian, Pendlebury, Stephanie R, Durrant, James R

“…Spectroelectrochemical studies employing pulsed LED irradiation are used to investigate the kinetics of water oxidation on undoped dense bismuth vanadate…”
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Publisher Correction: Spectroelectrochemical study of water oxidation on nickel and iron oxyhydroxide electrocatalysts by Francàs, Laia, Corby, Sacha, Selim, Shababa, Lee, Dongho, Mesa, Camilo A., Godin, Robert, Pastor, Ernest, Stephens, Ifan E. L., Choi, Kyoung-Shin, Durrant, James R.

“…An amendment to this paper has been published and can be accessed via a link at the top of the paper…”
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Electronic defects in metal oxide photocatalysts by Pastor, Ernest, Sachs, Michael, Selim, Shababa, Durrant, James R., Bakulin, Artem A., Walsh, Aron

“…A deep understanding of defects is essential for the optimization of materials for solar energy conversion. This is particularly true for metal oxide…”
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Mechanistic Evidence for Ligand-Centered Electrocatalytic Oxygen Reduction with the Conductive MOF Ni3(hexaiminotriphenylene)2 by Miner, Elise M, Gul, Sheraz, Ricke, Nathan D, Pastor, Ernest, Yano, Junko, Yachandra, Vittal K, Van Voorhis, Troy, Dincă, Mircea

“…Establishing catalytic structure–function relationships introduces the ability to optimize the catalyst structure for enhanced activity, selectivity, and…”
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Structures of the intermediates of Kok’s photosynthetic water oxidation clock by Kern, Jan, Chatterjee, Ruchira, Young, Iris D., Fuller, Franklin D., Lassalle, Louise, Ibrahim, Mohamed, Gul, Sheraz, Fransson, Thomas, Brewster, Aaron S., Alonso-Mori, Roberto, Hussein, Rana, Zhang, Miao, Douthit, Lacey, de Lichtenberg, Casper, Cheah, Mun Hon, Shevela, Dmitry, Wersig, Julia, Seuffert, Ina, Sokaras, Dimosthenis, Pastor, Ernest, Weninger, Clemens, Kroll, Thomas, Sierra, Raymond G., Aller, Pierre, Butryn, Agata, Orville, Allen M., Liang, Mengning, Batyuk, Alexander, Koglin, Jason E., Carbajo, Sergio, Boutet, Sébastien, Moriarty, Nigel W., Holton, James M., Dobbek, Holger, Adams, Paul D., Bergmann, Uwe, Sauter, Nicholas K., Zouni, Athina, Messinger, Johannes, Yano, Junko, Yachandra, Vittal K.

“…Inspired by the period-four oscillation in flash-induced oxygen evolution of photosystem II discovered by Joliot in 1969, Kok performed additional experiments…”
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UV–Vis operando spectroelectrochemistry for (photo)electrocatalysis: Principles and guidelines by Mesa, Camilo A., Pastor, Ernest, Francàs, Laia

“…Electrocatalytic and photoelectrocatalytic technologies are key players in the transition to a circular economy. In order to rationally design the new…”
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