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- W2056770267 abstract "Neighboring metal nanoparticles influence photovoltaic and photocatalytic behavior of semiconductor nanostructures either through Fermi level equilibration by accepting electrons or inducing localized surface plasmon effects. By employing SiO(2)- and TiO(2)-capped Au nanoparticles we have identified the mechanism with which the performance of dye-sensitized solar cells (DSSC) is influenced by the neighboring metal nanoparticles. The efficiency of an N719 dye-sensitized solar cell (9.3%) increased to 10.2% upon incorporation of 0.7% Au@SiO(2) and to 9.8% upon loading of 0.7% Au@TiO(2) nanoparticles. The plasmonic effect as monitored by introducing Au@SiO(2) in DSSC produces higher photocurrent. However, Au nanoparticles undergo charge equilibration with TiO(2) nanoparticles and shift the apparent Fermi level of the composite to more negative potentials. As a result, Au@TiO(2) nanoparticle-embedded DSSC exhibit higher photovoltage. A better understanding of these two effects is crucial in exploiting the beneficial aspects of metal nanoparticles in photovoltaics." @default.
- W2056770267 created "2016-06-24" @default.
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- W2056770267 date "2012-04-24" @default.
- W2056770267 modified "2023-09-29" @default.
- W2056770267 title "<i>Know Thy Nano Neighbor</i>. Plasmonic <i>versus</i> Electron Charging Effects of Metal Nanoparticles in Dye-Sensitized Solar Cells" @default.
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- W2056770267 doi "https://doi.org/10.1021/nn301137r" @default.
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