Search Results - "HÄVECKER, Michael"

Nature of the N–Pd Interaction in Nitrogen-Doped Carbon Nanotube Catalysts by Arrigo, Rosa, Schuster, Manfred E, Xie, Zailai, Yi, Youngmi, Wowsnick, Gregor, Sun, Li L, Hermann, Klaus E, Friedrich, Matthias, Kast, Patrick, Hävecker, Michael, Knop-Gericke, Axel, Schlögl, Robert

“…In this work, the geometric and electronic structure of N species in N-doped carbon nanotubes (NCNTs) is derived by X-ray photoemission (XPS) and absorption…”
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The electronic structure of iridium and its oxides by Pfeifer, Verena, Jones, Travis E., Velasco Vélez, Juan J., Massué, Cyriac, Arrigo, Rosa, Teschner, Detre, Girgsdies, Frank, Scherzer, Michael, Greiner, Mark T., Allan, Jasmin, Hashagen, Maike, Weinberg, Gisela, Piccinin, Simone, Hävecker, Michael, Knop-Gericke, Axel, Schlögl, Robert

“…Iridium‐based materials are among the most active and stable electrocatalysts for the oxygen evolution reaction. Amorphous iridium oxide structures are found…”
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Operando Insights into CO Oxidation on Cobalt Oxide Catalysts by NAP-XPS, FTIR, and XRD by Lukashuk, Liliana, Yigit, Nevzat, Rameshan, Raffael, Kolar, Elisabeth, Teschner, Detre, Hävecker, Michael, Knop-Gericke, Axel, Schlögl, Robert, Föttinger, Karin, Rupprechter, Günther

“…Cobalt oxide Co3O4 has recently emerged as promising, noble metal-free catalyst for oxidation reactions but a better understanding of the active catalyst under…”
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Reactivity of Carbon in Lithium–Oxygen Battery Positive Electrodes by Itkis, Daniil M, Semenenko, Dmitry A, Kataev, Elmar Yu, Belova, Alina I, Neudachina, Vera S, Sirotina, Anna P, Hävecker, Michael, Teschner, Detre, Knop-Gericke, Axel, Dudin, Pavel, Barinov, Alexei, Goodilin, Eugene A, Shao-Horn, Yang, Yashina, Lada V

“…Unfortunately, the practical applications of Li–O2 batteries are impeded by poor rechargeability. Here, for the first time we show that superoxide radicals…”
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Tuning the Acid/Base Properties of Nanocarbons by Functionalization via Amination by Arrigo, Rosa, Hävecker, Michael, Wrabetz, Sabine, Blume, Raoul, Lerch, Martin, McGregor, James, Parrott, Edward P. J, Zeitler, J. Axel, Gladden, Lynn F, Knop-Gericke, Axel, Schlögl, Robert, Su, Dang Sheng

“…The surface chemical properties and the electronic properties of vapor grown carbon nanofibers (VGCNFs) have been modified by treatment of the oxidized CNFs…”
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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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Photoelectron Spectroscopy at the Graphene-Liquid Interface Reveals the Electronic Structure of an Electrodeposited Cobalt/Graphene Electrocatalyst by Velasco-Velez, Juan J., Pfeifer, Verena, Hävecker, Michael, Weatherup, Robert S., Arrigo, Rosa, Chuang, Cheng-Hao, Stotz, Eugen, Weinberg, Gisela, Salmeron, Miquel, Schlögl, Robert, Knop-Gericke, Axel

“…Electrochemically grown cobalt on graphene exhibits exceptional performance as a catalyst for the oxygen evolution reaction (OER) and provides the possibility…”
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In Situ Study of the Gas-Phase Electrolysis of Water on Platinum by NAP-XPS by Arrigo, Rosa, Hävecker, Michael, Schuster, Manfred E., Ranjan, Chinmoy, Stotz, Eugen, Knop-Gericke, Axel, Schlögl, Robert

“…Chasing down the active state: Near‐ambient‐pressure X‐ray photoelectron spectroscopy was used to study the surface of a Pt electrode during the oxygen…”
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Electronic and Dielectric Properties of MoV-Oxide (M1 Phase) under Alkane Oxidation Conditions by Wernbacher, Anna M, Kube, Pierre, Hävecker, Michael, Schlögl, Robert, Trunschke, Annette

“…Isostructural orthorhombic oxides of the general formula (Mo,V,Te,Sb,Nb,Ta)­Ox are an important class of solids, which are interesting as catalysts for…”
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Importance of Metal–Support Interactions for CO2 Hydrogenation: An Operando Near-Ambient Pressure X‑ray Photoelectron Spectroscopy Study on Gold-Loaded In2O3 and CeO2 Catalysts by Ziemba, Marc, Weyel, Jakob, Zeller, Patrick, Welzenbach, Jan, Efimenko, Anna, Hävecker, Michael, Hess, Christian

“…Metal–support interactions, which are essential for the design of supported metal catalysts, used, e.g., for CO2 activation, are still only partially…”
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Operando XAS and NAP-XPS studies of preferential CO oxidation on Co3O4 and CeO2-Co3O4 catalysts by Lukashuk, Liliana, Föttinger, Karin, Kolar, Elisabeth, Rameshan, Christoph, Teschner, Detre, Hävecker, Michael, Knop-Gericke, Axel, Yigit, Nevzat, Li, Hao, McDermott, Eamon, Stöger-Pollach, Michael, Rupprechter, Günther

“…[Display omitted] •Co3O4 bulk and surface state was characterized by operando XANES and NAP-XPS.•Easy surface reduction in pure CO (∼100°C) is via reaction…”
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Surface Chemistry of Perovskite-Type Electrodes During High Temperature CO2 Electrolysis Investigated by Operando Photoelectron Spectroscopy by Opitz, Alexander K, Nenning, Andreas, Rameshan, Christoph, Kubicek, Markus, Götsch, Thomas, Blume, Raoul, Hävecker, Michael, Knop-Gericke, Axel, Rupprechter, Günther, Klötzer, Bernhard, Fleig, Jürgen

“…Any substantial move of energy sources from fossil fuels to renewable resources requires large scale storage of excess energy, for example, via power to fuel…”
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How Strain Affects the Reactivity of Surface Metal Oxide Catalysts by Amakawa, Kazuhiko, Sun, Lili, Guo, Chunsheng, Hävecker, Michael, Kube, Pierre, Wachs, Israel E., Lwin, Soe, Frenkel, Anatoly I., Patlolla, Anitha, Hermann, Klaus, Schlögl, Robert, Trunschke, Annette

“…Highly dispersed molybdenum oxide supported on mesoporous silica SBA‐15 has been prepared by anion exchange resulting in a series of catalysts with changing Mo…”
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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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Is Nanostructuring Sufficient To Get Catalytically Active Au? by Klyushin, Alexander Yu, Greiner, Mark T, Huang, Xing, Lunkenbein, Thomas, Li, Xuan, Timpe, Olaf, Friedrich, Matthias, Hävecker, Michael, Knop-Gericke, Axel, Schlögl, Robert

“…Gold nanoparticles on transition-metal oxides were synthesized by two different methods: precipitation and photoinduced decomposition of an intermediate…”
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Ambient Pressure XPS Study of Mixed Conducting Perovskite-Type SOFC Cathode and Anode Materials under Well-Defined Electrochemical Polarization by Nenning, Andreas, Opitz, Alexander K., Rameshan, Christoph, Rameshan, Raffael, Blume, Raoul, Hävecker, Michael, Knop-Gericke, Axel, Rupprechter, Günther, Klötzer, Bernhard, Fleig, Jürgen

“…The oxygen exchange activity of mixed conducting oxide surfaces has been widely investigated, but a detailed understanding of the corresponding reaction…”
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Surface Conditions That Constrain Alkane Oxidation on Perovskites by Koch, Gregor, Hävecker, Michael, Teschner, Detre, Carey, Spencer J, Wang, Yuanqing, Kube, Pierre, Hetaba, Walid, Lunkenbein, Thomas, Auffermann, Gudrun, Timpe, Olaf, Rosowski, Frank, Schlögl, Robert, Trunschke, Annette

“…The crystal structure of perovskites can incorporate a wide variety of cations, which makes this class of materials so interesting for studies of links between…”
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Data-Centric Heterogeneous Catalysis: Identifying Rules and Materials Genes of Alkane Selective Oxidation by Foppa, Lucas, Rüther, Frederik, Geske, Michael, Koch, Gregor, Girgsdies, Frank, Kube, Pierre, Carey, Spencer J., Hävecker, Michael, Timpe, Olaf, Tarasov, Andrey V., Scheffler, Matthias, Rosowski, Frank, Schlögl, Robert, Trunschke, Annette

“…Artificial intelligence (AI) can accelerate catalyst design by identifying key physicochemical descriptive parameters correlated with the underlying processes…”
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The Impact of the Bulk Structure on Surface Dynamics of Complex Mo–V-based Oxide Catalysts by Trunschke, Annette, Noack, Johannes, Trojanov, Sergej, Girgsdies, Frank, Lunkenbein, Thomas, Pfeifer, Verena, Hävecker, Michael, Kube, Pierre, Sprung, Christoph, Rosowski, Frank, Schlögl, Robert

“…Mixed oxides composed of the four metals Mo, V, Te, and Nb are known to be efficient catalysts in selective oxidation of lower alkanes. The outstanding…”
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The Electronic Factor in Alkane Oxidation Catalysis by Eichelbaum, Maik, Hävecker, Michael, Heine, Christian, Wernbacher, Anna Maria, Rosowski, Frank, Trunschke, Annette, Schlögl, Robert

“…This article addresses the fundamental question of whether concepts from semiconductor physics can be applied to describe the working mode of heterogeneous…”
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