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@ARTICLE{Dewan:202760,
      author       = {Dewan, Rahul and Shrestha, Shailesh and Jovanov, Vladislav
                      and Hüpkes, Jürgen and Bittkau, Karsten and Knipp,
                      Dietmar},
      title        = {{R}andom versus periodic: {D}etermining light trapping of
                      randomly textured thin film solar cells by the superposition
                      of periodic surface textures},
      journal      = {Solar energy materials $\&$ solar cells},
      volume       = {143},
      issn         = {0927-0248},
      address      = {Amsterdam},
      publisher    = {North Holland},
      reportid     = {FZJ-2015-04942},
      pages        = {183 - 189},
      year         = {2015},
      abstract     = {A simple method is developed to determine the light
                      trapping properties of arbitrarily textured solar cells with
                      high accuracy. The method allows for determining the quantum
                      efficiency and short circuit current density of thin film
                      solar cells prepared on randomly nanotextured surfaces. The
                      light trapping of the randomly textured solar cell is
                      described by the area weighted superposition of periodically
                      textured solar cells. The necessary input parameters for the
                      calculations are determined by analyzing the randomly
                      textured surfaces of the solar cells using atomic force
                      microscopy and image processing. The analysis of the atomic
                      force microscope images and the calculation of the quantum
                      efficiency and short circuit current can be determined from
                      current maps, without complex and time-consuming
                      calculations. The calculated solar cell parameters exhibit
                      excellent agreement with experimentally measured quantum
                      efficiencies and short circuit current densities for
                      amorphous and microcrystalline silicon thin film solar cells
                      prepared on randomly textured substrates. Finally, the work
                      contributes to a comparison of random and periodic light
                      trapping structures.},
      cin          = {IEK-5},
      ddc          = {530},
      cid          = {I:(DE-Juel1)IEK-5-20101013},
      pnm          = {121 - Solar cells of the next generation (POF3-121)},
      pid          = {G:(DE-HGF)POF3-121},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000364250200023},
      doi          = {10.1016/j.solmat.2015.06.014},
      url          = {https://juser.fz-juelich.de/record/202760},
}