Search Results - "FIECHTER, S"

Modification of titanium hydride for improved aluminium foam manufacture by Matijasevic-Lux, B., Banhart, J., Fiechter, S., Görke, O., Wanderka, N.

“…Titanium hydride was used for foaming the aluminium casting alloy AlSi6Cu4. In order to improve foaming characteristics the TiH2 powder was subjected to…”
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Oxalate supported pyrolysis of CoTMPP as electrocatalysts for the oxygen reduction reaction by Herrmann, I., Kramm, U.I., Fiechter, S., Bogdanoff, P.

“…The utilisation of different metal oxalates in the pyrolysis of cobalt-tetramethoxyphenylporphyrin (CoTMPP) has been investigated as a structure forming agent…”
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Charge carrier kinetics in MnOx, Mn2O3 and Mn3O4 films for water oxidation by Ramírez, A., Friedrich, D., Kunst, M., Fiechter, S.

“…•Manganese oxide films were electrochemically deposited on conductive substrates.•Charge carrier kinetics was studied by contactless photoconductivity…”
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EXAFS, XPS and electrochemical studies on oxygen reduction catalysts obtained by heat treatment of iron phenanthroline complexes supported on high surface area carbon black by Bron, M, Radnik, J, Fieber-Erdmann, M, Bogdanoff, P, Fiechter, S

“…Oxygen reduction catalysts have been prepared on the basis of heat-treated, carbon supported iron phenanthroline complexes. The activity of the catalyst…”
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Defect formation energies and homogeneity ranges of rock salt-, pyrite-, chalcopyrite- and molybdenite-type compound semiconductors by Fiechter, S.

“…Employing the generalisation of Van Vechten's cavity model, formation energies of neutral point defects in pyrites (FeS 2, RuS 2), chalcopyrites (II–IV–V 2 and…”
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Structural, optical and electrical properties of RuS2±x films, prepared by reactive magnetron sputtering by Brunken, S., Kratzig, A., Bogdanoff, P., Fiechter, S., Ellmer, K.

“…Thin layers of ruthenium sulfide (RuS2±x, laurite) were deposited on a heated substrate by reactive magnetron sputtering using a metallic ruthenium target and…”
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Phase relations and optical properties of semiconducting ternary sulfides in the system Cu–Sn–S by Fiechter, S., Martinez, M., Schmidt, G., Henrion, W., Tomm, Y.

“…The ternary system Cu–Sn–S was re-investigated and the phase diagram Cu 2S–SnS 2 studied in detail by differential thermal analysis and X-ray diffractometry…”
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Hexagonal nanotubes of ZnS by chemical conversion of monocrystalline ZnO columns by Dloczik, L., Engelhardt, R., Ernst, K., Fiechter, S., Sieber, I., Könenkamp, R.

“…Monocrystalline ZnO columns grown in electrodeposition were converted to ZnS using ion exchange reactions in H2S or S vapor. At ∼400 °C the reaction with H2S…”
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Catalysts for oxygen reduction from heat-treated carbon-supported iron phenantroline complexes by BRON, M, FIECHTER, S, HILGENDORFF, M, BOGDANOFF, P

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Enhancement of oxygen electroreduction activity via surface modification of carbon supported ruthenium nanoparticles: A new class of electrocatalysts by Bron, M., Bogdanoff, P., Fiechter, S., Tributsch, H.

“…Oxygen reduction catalysts have been prepared by modifying Ru/C catalysts (either commercial or self-made) using iron phenanthroline complexes adsorbed at the…”
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Carbon supported Ru–Se as methanol tolerant catalysts for DMFC cathodes. Part I: preparation and characterization of catalysts by Zehl, G., Bogdanoff, P., Dorbandt, I., Fiechter, S., Wippermann, K., Hartnig, C.

“…Carbon supported Ru x Se y O z catalysts were prepared from Ru3(CO)12 and RuCl3 * xH2O as ruthenium precursors and H2SeO3 and SeCl4 as the selenium sources…”
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Influence of selenium on the catalytic properties of ruthenium-based cluster catalysts for oxygen reduction by Bron, M., Bogdanoff, P., Fiechter, S., Dorbandt, I., Hilgendorff, M., Schulenburg, H., Tributsch, H.

“…The favourable influence of selenium on the catalytic properties of Ru-based catalysts for the oxygen reduction reaction in acid electrolytes has been…”
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Carbon supported Ru–Se as methanol tolerant catalysts for DMFC cathodes. Part II: preparation and characterization of MEAs by Wippermann, K., Richter, B., Klafki, K., Mergel, J., Zehl, G., Dorbandt, I., Bogdanoff, P., Fiechter, S., Kaytakoglu, S.

“…Cathode catalyst layers were prepared and characterized as part of membrane electrode assemblies (MEA) and catalyst coated membranes (CCM) on the basis of…”
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Methanol-resistant cathodic oxygen reduction catalysts for methanol fuel cells by TRIBUTSCH, H, BRON, M, HILGENDORFF, M, SCHULENBURG, H, DORBANDT, I, EYERT, V, BOGDANOFF, P, FIECHTER, S

“…Efforts were made to simplify the structure of Ru-based catalysts, and to tailor industrially practicable methanol insensitive oxygen reduction catalysts both…”
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Electroreduction of oxygen at tungsten oxide modified carbon-supported RuSex nanoparticles by Kulesza, P. J., Miecznikowski, K., Baranowska, B., Skunik, M., Kolary-Zurowska, A., Lewera, A., Karnicka, K., Chojak, M., Rutkowska, I., Fiechter, S., Bogdanoff, P., Dorbandt, I., Zehl, G., Hiesgen, R., Dirk, E., Nagabhushana, K. S., Boennemann, H.

“…WO3-modified carbon-supported bi-component ruthenium-selenium, RuSex (Ru, 20; Se, 1 wt%), nanoparticles were dispersed in the form of Nafion-containing inks on…”
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Carbon supported catalysts for oxygen reduction in acidic media prepared by thermolysis of Ru3(CO)12 by BRON, M, BOGDANOFF, P, FIECHTER, S, HILGENDORFF, M, RADNIK, J, DORBANDT, I, SCHULENBURG, H, TRIBUTSCH, H

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Thermogravimetry/Mass Spectrometry Investigations on the Formation of Oxygen Reduction Catalysts for PEM Fuel Cells on the Basis of Heat-Treated Iron Phenanthroline Complexes by Bron, M., Fiechter, S., Bogdanoff, P., Tributsch, H.

“…Oxygen reduction catalysts for PEM fuel cells on the basis of carbon supported, heat‐treated iron phenanthroline complexes have been investigated with rotating…”
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Reductive annealing for generating Se doped 20 wt% Ru/C cathode catalysts for the oxygen reduction reaction by Nagabhushana, K. S., Dinjus, E., Bönnemann, H., Zaikovskii, V., Hartnig, C., Zehl, G., Dorbandt, I., Fiechter, S., Bogdanoff, P.

“…Reductive annealing was chosen as a method for the syntheses of Se modified Ru/C catalysts. Initial preparation of a 20 wt% Ru/C was performed by impregnating…”
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Preparation and characterization of In2Se3 thin films by BOUZOUITA, H, BOUGUILA, N, DUCHEMIN, S, FIECHTER, S, DHOUIB, A

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The protective triterpene layer of the desert plant Sarcocaulon Patersonii: A bionic model for innovative PV encapsulation? by Reuther, C., Rojas-Chapana, J., Fiechter, S., Tributsch, H.

“…The transparent, protective encapsulation (wax) layer of the geranium plant Sarcocaulon Patersonii, living in an extreme desert environment, was investigated…”
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