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Spectroscopic ellipsometry in external reflection (ER) and total internal reflection (TIR) modes is used to characterize surface plasmon resonance in Au nanoparticles (AuNPs) deposited on Al-doped ZnO films via surface thiolation. ER ellipsometry exhibits high sensitivity to the alkanethiol layer as well as to localized surface plasmons at energies around 2.3 eV. TIR ellipsometry reveals resonances...
This paper proposes a pedagogical and technical approach to support the flow of learning activities outside of school and in class. One primary goal is to develop curricula that bring multimedia resources to outdoor settings to enrich the field experience, and to enable students to make connections between what they learn outside and the formal curriculum. A pilot user scenario and the supporting...
This work experimentally evaluates some of the most referenced methods to estimate the global irradiance incident on tilted surfaces from measured global horizontal irradiance. Angular and spectral effects are also considered for the estimation of the "effective irradiance" to be used by PV modules in PV installations. Angular effects of pyranometers on horizontal surface irradiance measurements...
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