Listar por tema "kinetics"
Mostrando ítems 1-18 de 18
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3D characterisation of the dynamics of foot joints of adults during walking. Gait pattern identification
Taylor & Francis (2017-05-17)A detailed description of the kinematics and kinetics of the ankle, midtarsal and metatarsophalangeal joints of the feet of a healthy adult male population during barefoot walking is provided. Plots of the angles and moments ... -
Base-Free Catalytic Hydrogen Production from Formic Acid Mediated by a Cubane-Type Mo3S4 Cluster Hydride
American Chemical Society (2022-10-14)Formic acid (FA) dehydrogenation is an attractive process in the implementation of a hydrogen economy. To make this process greener and less costly, the interest nowadays is moving toward non-noble metal catalysts and ... -
Bifunctional W/NH Cuboidal Aminophosphino W3S4 Cluster Hydrides: The Puzzling Behaviour behind the Hydridic-Protonic Interplay
Wiley (2021-09-22)The novel [W3S4H3(edpp)3]+ (edpp=(2-aminoethyl)diphenylphosphine) (1+) cluster hydride with an acidic −NH2 functionality has been synthetized and studied. Its crystal structure shows the characteristic incomplete W3S4 ... -
Coupling between Ion Drift and Kinetics of Electronic Current Transients in MAPbBr3 Single Crystals
American Chemical Society (2022-03-11)The optoelectronic properties of halide perovskite materials have fostered their utilization in many applications. Unravelling their working mechanisms remains challenging because of their mixed ionic–electronic conductive ... -
Effect of kaolin addition on the sinter-crystallisation kinetics of compacts of a crystallising frit
Elsevier (2022-08-22)Non-isothermal techniques were used to study the sintering and crystallisation kinetics of an anorthoclase- and diopside-devitrifying frit and mixtures of this frit with a commercial kaolin. Raising kaolin content was ... -
Effect of particle size distribution on the evolution of porous, microstructural, and dimensional characteristics during sinter-crystallisation of a glass-ceramic glaze
Elsevier (2021-08-05)Glass-ceramic test pieces, obtained from three different particle size distributions of a frit, were fired at temperatures between 800°C and 1200°C. Evolution of porous characteristics of the test pieces with firing ... -
Effect of particle size distribution on the sinter-crystallisation kinetics of a SiO2-Al2O3-CaO-MgO-SrO glass-ceramic glaze
Elsevier (2020-05-20)Sinter-crystallisation kinetics of a glaze with an average particle size of 9.6µm, 4.0µm and 0.65µm, which devitrified anorthoclase and diopside, were studied by non-isothermal techniques. It was confirmed that the ... -
Equivalent Circuit of Electrons and Holes in Thin Semiconductor Films for Photoelectrochemical Water Splitting Applications
American Chemical Society (2012)A simple model for the kinetics of electrons and holes in a thin semiconductor film in photoelectrochemical water splitting conditions is discussed, with a focus to discriminate between trap-assisted recombination and ... -
Impact of Oxygen Vacancy Occupancy on Charge Carrier Dynamics in BiVO4 Photoanodes
American Chemical Society (2019-11-27)Oxygen vacancies are ubiquitous in metal oxides and critical to performance, yet the impact of these states upon charge carrier dynamics important for photoelectrochemical and photocatalytic applications remains contentious ... -
Improvement of the mechanical and aesthetic properties of a coating by inkjet technology
Wiley (2021-01-11)Different amounts of ink, made up almost entirely of a frit that devitrified abundant small crystals of anorthoclase, were applied by inkjet printing onto a traditional unfired glaze substrate. The rheological properties ... -
Negative Capacitance and Inverted Hysteresis: Matching Features in Perovskite Solar Cells
American Chemical Society (2020-10-01)Negative capacitance in the low-frequency domain and inverted hysteresis are familiar features in perovskite solar cells, which origin is still under discussion. Here we use impedance spectroscopy to analyze these responses ... -
Non-isothermal modeling of drying kinetics of ceramic tiles
Taylor & Francis (2016)The present study has been undertaken to optimize the drying stage in ceramic tile manufacture. Tests were conducted to determine drying kinetics, establishing how air temperature and relative humidity influenced this ... -
Re-programming Hydrogel Properties Using a Fuel-Driven Reaction Cycle
American Chemical Society (2020-03-04)Nature uses catalysis as an indispensable tool to control assembly and reaction cycles in vital non-equilibrium supramolecular processes. For instance, enzymatic methionine oxidation regulates actin (dis-)assembly, and ... -
Relaxation of Electron Carriers in the Density of States of Nanocrystalline TiO2
American Chemical Society (2014-01)Band gap localized states and surface states play a dominant role in the application of nanocrystalline metal oxides to photovoltaics and solar fuel production. Electrons injected in nanocrystalline TiO2 by voltage or ... -
Sinter-crystallisation kinetics of a SiO2–Al2O3–CaO–MgO–SrO glass-ceramic glaze
Elsevier (2020-03-15)This paper examines the microstructural development and kinetics of the sintering and crystallisation processes of a SiO2–Al2O3–RO (R = Ca, Mg, Sr) glass-ceramic glaze. Crystallisation and sintering kinetics were studied ... -
The Role of Solvent on the Mechanism of Proton Transfer to Hydride Complexes: The Case of the [W3PdS4H3(dmpe)3(CO)]+ Cubane Cluster
Wiley-VCH (2010)The kinetics of reaction of the [W3PdS4H3(dmpe)3(CO)]+ hydride cluster (1+) with HCl has been measured in dichloromethane, and a second-order dependence with respect to the acid is found for the initial step. In the presence ... -
Triplet Excited State Behavior of Naphthalene-Based Pseudopeptides in the Presence of Energy Donors
American Chemical Society (2012)In this work, the triplet state behavior of naphthalene-based pseudopeptides with amide-based macrocyclic or lateral chain substructures has been investigated in the presence of benzophenone and/or biphenyl, as suitable ... -
Unprecedented Solvent-Assisted Reactivity of Hydrido W3CuS4 Cubane Clusters: The Non-Innocent Behaviour of the Cluster-Core Unit
Wiley (2009)Opening the cluster core: Substitution of the chloride ligand in the novel cationic cluster [W3CuS4H3Cl(dmpe)3]+ (see figure; dmpe=1,2-bis(dimethylphosphino)ethane) by acetonitrile is promoted by water addition. Kinetic ...