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ZnO films deposited by Atomic Layer Deposition (ALD) method at different growth conditions have required electron concentrations and electron mobilities for applications as n-type partners to ptype CdTe (ZnO layers with a reduced free electron concentration) and the transparent conductive oxide (TCO, metallic ZnO films). In the latter case their electrical properties are comparable to those of ITO...
New trends in the field of thermoelectrics are discussed for PbTe-based semiconductor thermoelectric materials exhibiting density of states engineering effects strongly enhancing thermoelectric power (PbMnTe) and spontaneous formation of nano-scale two-phase crystal structures (PbTeCdTe) – technologically scalable realization of electron crystal - phonon glass concept of new thermoelectric materials.
The paper reviews material issues of development of Li-ion batteries for vehicles application. The most important of them is safety, which is related to application of nonflammable electrolyte with large electrochemical window and possibility of forming protective SEI (solid/electrolyte interface) to prevent plating of lithium on carbon anode during fast charge of the batteries. The amount of electrical...
A concept of utilization of titanium dioxide matrix in electrocatalysis (ethanol oxidation in acid medium for potential application in a low temperature fuel cell cell) by admixing it with polyoxometallate (phosphomolybdate) stabilized gold nanoparticles is described here. By dispersing platinum black over the Au-containing TiO2, the electrocatalytic activity of Pt nanoparticles towards oxidation...
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