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@ARTICLE{Zhang:187705,
      author       = {Zhang, Chao and Meier, Matthias and Hoffmann, Andre and
                      Zhang, Wendi and Bittkau, Karsten and Jost, Gabrielle and
                      Paetzold, Ulrich W. and Ermes, Markus and Merdzhanova,
                      Tsvetelina},
      title        = {{I}nfluence of {I}nterface {T}extures on {L}ight
                      {M}anagement in {T}hin-{F}ilm {S}ilicon {S}olar {C}ells
                      {W}ith {I}ntermediate {R}eflector},
      journal      = {IEEE journal of photovoltaics},
      volume       = {5},
      number       = {1},
      issn         = {2156-3381},
      address      = {New York, NY},
      publisher    = {IEEE},
      reportid     = {FZJ-2015-01316},
      pages        = {33 - 39},
      year         = {2015},
      abstract     = {High-efficiency thin-film silicon solar cells require
                      advanced textures at the front contacts for light
                      management. In this contribution, the influence of the
                      texture of various transparent conductive oxides (TCO) on
                      the effectiveness of an intermediate reflector layer (IRL)
                      in a-Si:H/μc-Si:H tandem solar cells is investigated. The
                      employed front side TCOs include several types of
                      sputter-etched ZnO:Al, LPCVD ZnO:B and APCVD SnO2:F. The
                      topographies after different stages of the deposition
                      process of the tandem solar cell, at the front TCO, after
                      deposition of the amorphous top cell and after the
                      deposition of the microcrystalline bottom cell, were
                      characterized by atomic force microscopy at precisely the
                      same spot. The external quantum efficiency of the fabricated
                      solar cells were measured and successfully reproduced by a
                      finite-difference time-domain method applying the measured
                      topographies at each interface of the solar cell. With these
                      simulations, the impact of structure type and feature size
                      on the effectiveness of the IRL is investigated. The highest
                      IRL effectiveness in a tandem solar cell was found for
                      double-textured ZnO:Al. In this contribution, we study the
                      interplay between interface textures and parasitic losses.
                      Our findings are relevant for the design of topography for
                      optimized IRL performance.},
      cin          = {IEK-5},
      ddc          = {530},
      cid          = {I:(DE-Juel1)IEK-5-20101013},
      pnm          = {121 - Solar cells of the next generation (POF3-121) / HITEC
                      - Helmholtz Interdisciplinary Doctoral Training in Energy
                      and Climate Research (HITEC) (HITEC-20170406)},
      pid          = {G:(DE-HGF)POF3-121 / G:(DE-Juel1)HITEC-20170406},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000346732700006},
      doi          = {10.1109/JPHOTOV.2014.2364399},
      url          = {https://juser.fz-juelich.de/record/187705},
}