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Transparent conducting thin films of fluorine-doped SnO2 were deposited on glass substrates by spray pyrolysis technique in order to find out the effect of film thickness. These films were prepared using fluorine concentrations of 4 mol% at substrate temperature of 500??C. Their electrical resistivity decreased although optical transmittance decreased with increasing the film thickness.
Cadmium telluride (CdTe) is a good absorber layer for solar cells with a predicted efficiency of 29% however the highest reported efficiency is only <17% due to various loss mechanisms. One particular loss is attributed to non-uniformity in grain shape and size by Karpov. Simulation of Karpov's model yields counter-intuitive insight that highlights how empirical data can lead researchers to wrong...
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