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Showing 1 to 7 of 7 for “"Cation doping"”.
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Thermal Analysis and Cation Doping of Nafion Membranes
<p>Cationic contamination degrades polymer electrolyte membrane fuel cell</p> <p>(PEMFC) performance by decreasing proton conductivity and water content in</p> <p>perfluorosulfonic membranes such as Nafion. Hydration of the membrane is important</p> <p>for cell durability and longevity; low …
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Chemical Modifications and Passivation Approaches in Metal Halide Perovskite Solar Cells
… an efficient electron transport layer via modification of titanium dioxide nanostructure followed by a unique chemical treatment in order to have clean interface with fast electron injection form the absorber layer in the perovskite solar cells. We then explored monovalent cation doping of lead …
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Dielectric and electromechanical properties of barium and zirconium co-doped sodium bismuth titanate
… within the alkaline bismuth titanate system by doping on the A- and B- sites with Ba⁺² and Zr⁺⁴, respectively. Results on the phase, dielectric and electromechanical properties of single crystals and polycrystals for this new family of relaxor perovskite ferroelectrics are presented. The …
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Development of Strontium Titanate Based Nanomaterials for Resistive Switching Applications
… memory and neuromorphic computing applications. In general, resistive switching device consists of a two-terminal metal-insulator-metal structure, in which metal oxide is widely employed as the insulator. Among a variety of metal oxides, SrTiO3 has attracted extensive attention owing to …
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Defects and Interface Engineering of SnO2 Based Nanomaterials for High Performance Memory Applications
… power consumption, smaller size and simpler fabrication process are strongly desired in the big data era. Recently, oxide-based random-access memories (OxRAMs) have been considered as a promising solution to meet these requirements. By achieving multiple resistance states in metal oxides, the …
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Sputtered tin oxide and titanium oxide thin films as alternative transparent conductive oxides
… positions in the crystal lattice or by cation doping with Sb or Nb, respectively. Antimony doped tin oxide and niobium doped titanium oxide films have been prepared by reactive direct current magnetron sputtering (dc MS) from metallic targets. The process parameters and the doping …
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High Energy Density Layered Cathodes for Lithium Ion Batteries: New Morphologies and New Compositions
… processes. In this case, surface-specific Nb doping with varying dopant concentrations was carried out for surface protection. In parallel, Nb bulk and host dopings of the same materials were also carried out as a part of a systematic study that reveals the differences in crystal structures …