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@ARTICLE{Moulin:138036,
      author       = {Moulin, Etienne and Paetzold, Ulrich W. and Bittkau,
                      Karsten and Owen, Jorj and Kirchhoff, Joachim and Bauer,
                      Andreas and Carius, Reinhard},
      title        = {{I}nvestigation of the impact of the rear-dielectric/silver
                      back reflector design on the optical performance of
                      thin-film silicon solar cells by means of detached
                      reflectors},
      journal      = {Progress in photovoltaics},
      volume       = {21},
      number       = {5},
      issn         = {1099-159X},
      address      = {Chichester},
      publisher    = {Wiley},
      reportid     = {FZJ-2013-04309},
      pages        = {1236–1247},
      year         = {2013},
      abstract     = {Thin-film silicon solar cells often rely on a metal back
                      reflector separated from the silicon layers by a thin rear
                      dielectric as a back reflector (BR) design. In this work, we
                      aim to obtain a better insight into the influence of the
                      rear-dielectric/Ag BR design on the optical performance of
                      hydrogenated microcrystalline silicon (µc-Si:H) solar
                      cells. To allow the application of a large variety of rear
                      dielectrics combined with Ag BRs of diverse topographies,
                      the solar cell is equipped with a local electrical contact
                      scheme that enables the use of non-conductive rear
                      dielectrics such as air or transparent liquids of various
                      refractive indices n. With this approach, detached Ag BRs
                      having the desire surface texture can be placed behind the
                      same solar cell, yielding a direct and precise evaluation of
                      their impact on the optical cell performance. The
                      experiments show that both the external quantum efficiency
                      and the device absorptance are improved with decreasing n
                      and increasing roughness of the BR. Calculations of the
                      angular intensity distribution of the scattered light in the
                      µc-Si:H are presented. They allow for establishing a
                      consistent picture of the light trapping in the solar cell.},
      cin          = {IEK-5},
      ddc          = {690},
      cid          = {I:(DE-Juel1)IEK-5-20101013},
      pnm          = {111 - Thin Film Photovoltaics (POF2-111)},
      pid          = {G:(DE-HGF)POF2-111},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000322012700044},
      doi          = {10.1002/pip.2355},
      url          = {https://juser.fz-juelich.de/record/138036},
}