Search Results - "Wieckowski, Andrzej"

Electrocatalysis of oxygen reduction and small alcohol oxidation in alkaline media by Spendelow, Jacob S, Wieckowski, Andrzej

“…We present here a critical review of several technologically important electrocatalytic systems operating in alkaline electrolytes. These include the oxygen…”
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Direct evidence of a triple-path mechanism of formate electrooxidation on Pt black in alkaline media at varying temperature. Part I: The electrochemical studies by Jiang, Junhua, Scott, John, Wieckowski, Andrzej

“…Electrooxidation of formate on high-surface Pt black in alkaline media has been studied at varying temperature by means of cyclic voltammetry and stripping…”
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Size Effects in Electronic and Catalytic Properties of Unsupported Palladium Nanoparticles in Electrooxidation of Formic Acid by Zhou, Wei Ping, Lewera, Adam, Larsen, Robert, Masel, Rich I, Bagus, Paul S, Wieckowski, Andrzej

“…We report a combined X-ray photoelectron spectroscopy (XPS), cyclic voltammetry (CV), and chronoamperometry (CA) study of formic acid electrooxidation on…”
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Reaction pathways of ethanol electrooxidation on polycrystalline platinum catalysts in acidic electrolytes by Kutz, Robert B., Braunschweig, Björn, Mukherjee, Prabuddha, Behrens, Rachel L., Dlott, Dana D., Wieckowski, Andrzej

“…Potentiodynamic broadband sum-frequency generation and electrochemistry were used to elucidate the mechanism of ethanol electrooxidation on polycrystalline…”
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Synthesis and application of core–shell Co@Pt/C electrocatalysts for proton exchange membrane fuel cells by Lin, Rui, Cao, Chunhui, Zhao, Tiantian, Huang, Zhen, Li, Bing, Wieckowski, Andrzej, Ma, Jianxin

“…Co@Pt/C core–shell catalysts are synthesized by a two-step chemical reduction method followed by the heat treatment in H2 and N2 mixture. High Resolution…”
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The contribution of lattice strain to core-level binding energy shifts in metal nanoparticles: Generality and origin of the shifts by Bagus, Paul S., Wieckowski, Andrzej, Freund, Hajo

“…The 13 atom model used to study the effect of lattice strain in Cu, Ag, and Au particles on the shifts of XPS binding energies, BE’s, is shown below. This…”
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Synthesis and characterization of carbon-supported transition metal oxide nanoparticles — Cobalt porphyrin as catalysts for electroreduction of oxygen in acids by Goubert-Renaudin, Stephanie N.S., Zhu, Xiuling, Wieckowski, Andrzej

“…Unpyrolyzed, non noble metal catalysts for Oxygen Reduction Reaction (ORR), denoted MeOx–CoP/C, were obtained using a two-step procedure. The procedure…”
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Experiment and Theory of Fuel Cell Catalysis: Methanol and Formic Acid Decomposition on Nanoparticle Pt/Ru by Rigsby, Matthew A, Zhou, Wei-Ping, Lewera, Adam, Duong, Hung T, Bagus, Paul S, Jaegermann, Wolfram, Hunger, Ralf, Wieckowski, Andrzej

“…This study seeks to explore the effects of the electronic structure of Pt/Ru alloy nanoparticles on reactivity of small organic molecules of relevance to fuel…”
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Oxygen Reduction Catalysis of the Pt3Co Alloy in Alkaline and Acidic Media Studied by X-ray Photoelectron Spectroscopy and Electrochemical Methods by Duong, Hung T, Rigsby, Matthew A, Zhou, Wei-Ping, Wieckowski, Andrzej

“…The surface structure, stability, and electrocatalytic activity of the Pt3Co alloy toward oxygen reduction reaction (ORR) (with reference to Pt black) in both…”
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Chemical and Electronic Effects of Ni in Pt/Ni and Pt/Ru/Ni Alloy Nanoparticles in Methanol Electrooxidation by Park, Kyung-Won, Choi, Jong-Ho, Kwon, Boo-Kil, Lee, Seol-Ah, Sung, Yung-Eun, Ha, Heung-Yong, Hong, Seong-Ahn, Kim, Hongsun, Wieckowski, Andrzej

“…Electrooxidation of methanol in sulfuric acid solution was studied using Pt, Pt/Ni(1:1 and 3:1), Pt/Ru/Ni(5:4:1 and 6:3.5:0.5), and Pt/Ru(1:1) alloy…”
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Automating CSA cement-based reinforced monolithic ceiling construction by Więckowski, Andrzej

“…•The Stroptronic machine creates a ready-made self-supporting monolithic ceiling in one passage.•The mobile formwork is moved together with the automatic…”
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“JA-WA” - A wall construction system using unilateral material application with a mobile robot by Wieckowski, Andrzej

“…Prototypical JA-WA technology is envisaged for automatic concrete laying of composite walls by utilizing a scaffolding rail assembled on site and a mobile…”
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Surface Structure Effects in Platinum/Ruthenium Methanol Oxidation Electrocatalysis by Chrzanowski, Wojciech, Wieckowski, Andrzej

“…Catalytic activity of low-index platinum single-crystal faces, Pt(111), Pt(100), and Pt(110), and polycrystalline platinum toward methanol electrooxidation was…”
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An NMR Investigation of CO Tolerance in a Pt/Ru Fuel Cell Catalyst by Tong, Kim, Hee Soo, Babu, Panakkattu K, Waszczuk, Piotr, Wieckowski, Andrzej, Oldfield, Eric

“…We report the first combined application of solid-state electrochemical NMR (EC NMR), cyclic voltammetry (CV), and potentiostatic current generation to…”
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Reduction Reaction by Porphyrin-Based Catalysts for Fuel Cells by Cheng, Niancai, Kemna, Chris, Goubert-Renaudin, Stephanie, Wieckowski, Andrzej

“…In 2007, the field of oxygen reduction reaction (ORR) by porphyrins was partially reviewed by Y. Kiros. The new development reported under the current review…”
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Network Films Composed of Conducting Polymer-Linked and Polyoxometalate-Stabilized Platinum Nanoparticles by Kulesza, Pawel J, Chojak, Malgorzata, Karnicka, Katarzyna, Miecznikowski, Krzysztof, Palys, Barbara, Lewera, Adam, Wieckowski, Andrzej

“…The ability of Keggin-type phosphododecamolybdates (PMo12O40 3-) to undergo chemisorption and to form anionic monolayers on platinum surfaces is explored here…”
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Vibrational Recognition of Adsorption Sites for CO on Platinum and Platinum−Ruthenium Surfaces by Dabo, Ismaila, Wieckowski, Andrzej, Marzari, Nicola

“…We have studied the vibrational properties of CO adsorbed on platinum and platinum−ruthenium surfaces using density-functional perturbation theory within the…”
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Sulfur radicals embedded in various cages of ultramarine analogs prepared from zeolites by Kowalak, Stanisław, Jankowska, Aldona, Zeidler, Sebastian, Wie¸ckowski, Andrzej B.

“…The colored (greenish) products analogous to ultramarine obtained from zeolite A, cancrinite and erionite by means of high-temperature (500–800 °C) treatment…”
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Formic Acid Decomposition on Polycrystalline Platinum and Palladized Platinum Electrodes by Lu, Guo-Qiang, Crown, Alechia, Wieckowski, Andrzej

“…This is a comprehensive study in which a formic acid decomposition reaction is examined as a probe of catalytic properties of polycrystalline platinum and…”
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Electronic Alterations Caused by Ruthenium in Pt−Ru Alloy Nanoparticles as Revealed by Electrochemical NMR by Babu, Panakkattu K, Kim, Hee Soo, Oldfield, Eric, Wieckowski, Andrzej

“…We have carried out a series of 195Pt and 13C NMR spectroscopic and electrochemical experiments on commercial Pt−Ru alloy nanoparticles and compared the…”
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