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THE EQUILIBRIUM PRESSURES OF OXYGEN ADSORBED ON ACTIVATED CHARCOAL
Canadian Journal of Research, 1940Oxygen chemisorbed on activated cocoanut charcoal at 20 °C. was found to exert no measurable equilibrium pressure. The small residual pressures obtained under experimental conditions were shown to be due to the presence of slight impurities in the oxygen employed.
Melville J. Marshall, Robert A. Findlay
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Self-assembled alkylthiols monolayers onto platinum; Influence of the adsorbed oxygen
Journal of Electroanalytical Chemistry, 1998Abstract We have studied the adsorption of alkylthiols CH 3 (CH 2 ) m SH ( m =0, 1, 2, 9) from aqueous solutions or from the pure compound onto a spherical single polyoriented platinum crystal. Electrochemistry, contact angle measurements and Auger spectroscopy have allowed us to characterize the kinetics of formation and the properties of the ...
Lang, P +3 more
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Angewandte Chemie, 2020
AbstractTransition metal chalcogenides (TMCs) are efficient oxygen evolution reaction (OER) pre‐electrocatalysts, and will in situ transform into metal (oxy)hydroxides under OER condition. However, the role of chalcogen is not fully elucidated after oxidation and severe leaching.
Yanmei Shi +6 more
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AbstractTransition metal chalcogenides (TMCs) are efficient oxygen evolution reaction (OER) pre‐electrocatalysts, and will in situ transform into metal (oxy)hydroxides under OER condition. However, the role of chalcogen is not fully elucidated after oxidation and severe leaching.
Yanmei Shi +6 more
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Photocatalysis of the Oxygen Reduction Reaction at Adsorbate-Covered Silver
The Journal of Physical Chemistry C, 2008The oxygen reduction reaction, the slow kinetics of which is well-known to limit efficient energy production from fuel cells, is shown to be catalyzed at adsorbate-covered silver electrodes when the electrode is irradiated with wavelengths in the visible and near-ultraviolet.
John J. McMahon +5 more
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Oxygen on Fe(110): magnetic properties of the adsorbate system
Journal of Magnetism and Magnetic Materials, 1999Abstract Investigations concerning the electronic and magnetic properties of oxygen adsorbed on magnetized iron films were carried out by means of angle and spin resolving photoelectron spectroscopy. Iron(1 1 0), epitaxially grown on a W(1 1 0) crystal, served as the ferromagnetic substrate.
Mathias Getzlaff +2 more
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Effect of Molecular Oxygen on the Scaleup of GAC Adsorbers
Journal AWWA, 1992A rapid small‐scale column test (RSSCT), designed according to the assumption of no dependency of the intraparticle surface diffusion coefficient on the activated carbon particle size, was able to accurately predict breakthrough of three volatile organic chemicals as well as background organic matter under both oxic and anoxic conditions.
Radisav D. Vidic +4 more
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On the oxygen induced stabilization of adsorbed alkali atoms
Surface Science, 1989Abstract Due to the dipolar repulsion interaction, adsorbed alkali atoms on transition metals are not thermally stable at the working temperature of some catalysts. It is shown that the coadsorption of oxygen and alkali atoms appreciably increases the desorption energy of the alkali adlayer which becomes thermally stabilized, in qualitative agreement
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Effect of adsorbed oxygen on the properties of ytterbium nanofilms
Physics of the Solid State, 2010The effect of O2 molecules adsorbed on the surface of ytterbium nanofilms on the properties of the volume and surface of these films has been studied. It has been shown that the dependence of the work function of the films on the concentration of O2 adsorbed molecules exhibits a nonmonotonic behavior: originally, the work function decreases, to start ...
M. V. Kuz’min, M. A. Mittsev
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ECS Meeting Abstracts, 2023
The Oxygen Reduction Reaction (ORR) is a fundamental reaction in electrochemical devices such as fuel cells and sensors. The ORR only occurs on few catalytically active surfaces, mainly platinum and its alloys and understanding its mechanism is critically important to develop new catalysts and applications.
Benedikt Axel Brandes +2 more
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The Oxygen Reduction Reaction (ORR) is a fundamental reaction in electrochemical devices such as fuel cells and sensors. The ORR only occurs on few catalytically active surfaces, mainly platinum and its alloys and understanding its mechanism is critically important to develop new catalysts and applications.
Benedikt Axel Brandes +2 more
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Oxygen evolution in the presence of chlorophyll adsorbed at the octane/water interface
Journal of Electroanalytical Chemistry and Interfacial Electrochemistry, 1983Summary Chlorophyll a adsorbed at the octane/water interface catalyzes the reaction of water photooxidation. The potential drop generated in this case at the octane/water interface is proportional to the amount of adsorbed chlorophyll and to the oxygen evolution rate, in agreement with the phenomenological model of catalytic reactions at the ...
M.D. Kandelaki +3 more
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