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The synergic effect observed in dye sensitized TiO2 solar cells cannot be explained simply by the proportion of rutile and anatase nanoparticles in the mesoporous electrode. In fact, subtle differences in the surface chemical composition dramatically influence the adsorption of N719 dye and increase by an order of magnitude the conductivity of sol-gel rutile, enhancing DSSC's efficiency. However,...
Degradation of catalyst electrochemical active surface is a major issue that hinders polymer electrolyte fuel cells commercialization. Several degradation mechanisms that have been reported in the literature are known to result in heterogeneity of ageing, whose effects on performance loss have not been previously investigated. In this work experimental and theoretical methodologies are combined to...
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