Browsing by Subject "Solar-cell applications"

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    Elements of nanocrystal high-field carrier transport modeling
    (Wiley, 2007) Sevik, Cem; Bulutay, Ceyhun
    Embedded semiconductor nanocrystals (NCs) within wide bandgap oxide materials are being considered for light emission and solar cell applications. One of the fundamental issues is the high-field transport in NCs. This requires the combination of a number of tools: ensemble Monte Carlo carrier transport simulation, ab initio band structure of the bulk oxide, Fermi's golden rule modeling of impact ionization and Auger processes and the pseudopotential-based atomistic description of the confined NC states. These elements are outlined in this brief report.
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    Photonic metamaterial absorber designs for infrared solar-cell applications
    (SPIE, 2010) Alıcı, Kamil Boratay; Özbay, Ekmel
    We propose a metamaterial based absorber design that operates at the infrared regime. The absorption peak was 83.6%. We can incorporate solar-cell layers inside the metamaterial absorber in order to significantly increase solar-cell efficiency. © 2010 SPIE.