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      Volumetric plasmonic resonator architecture for thin-film solar cells

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      Author
      Sefunc, M.A.
      Okyay, Ali Kemal
      Demir, Hilmi Volkan
      Date
      2011-03-04
      Source Title
      Applied Physics Letters
      Print ISSN
      0003-6951
      Publisher
      AIP Publishing
      Volume
      98
      Issue
      9
      Pages
      093117-1 - 093117-3
      Language
      English
      Type
      Article
      Item Usage Stats
      136
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      133
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      Abstract
      We propose and demonstrate a design concept of volumetric plasmonic resonators that relies on the idea of incorporating coupled layers of plasmonic structures embedded into a solar cell in enhanced optical absorption for surface-normal and off-axis angle configurations, beyond the enhancement limit of individual plasmonic layers. For a proof-of-concept demonstration in a thin-film organic solar cell that uses absorbing materials of copper phthalocyanine/perylene tetracarboxylic bisbenzimidazole, we couple two silver grating layers such that the field localization is further extended within the volume of active layers. Our computational results show a maximum optical absorption enhancement level of ∼67% under air mass 1.5 global illumination considering both polarizations.
      Keywords
      Absorbing materials
      Active layer
      Air mass
      Computational results
      Design concept
      Field localization
      Global illumination
      Grating layers
      Off-axis angles
      Optical absorption
      Organic solar cell
      Plasmonic
      Proof of concept
      Thin-film solar cells
      Absorption
      Light absorption
      Resonators
      Silver
      Solar cells
      Plasmons
      Permalink
      http://hdl.handle.net/11693/22017
      Published Version (Please cite this version)
      http://dx.doi.org/10.1063/1.3560446
      Collections
      • Department of Electrical and Electronics Engineering 3524
      • Department of Physics 2299
      • Institute of Materials Science and Nanotechnology (UNAM) 1775
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