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@ARTICLE{ampa:172154,
      author       = {Čampa, A. and Meier, Matthias and Boccard, M. and
                      Mercaldo, L. V. and Ghosh, M. and Zhang, C. and Merdzhanova,
                      T. and Krč, J. and Haug, F.-J. and Topič, M.},
      title        = {{M}icromorph silicon solar cell optical performance:
                      {I}nfluence of intermediate reflector and front electrode
                      surface texture},
      journal      = {Solar energy materials $\&$ solar cells},
      volume       = {130},
      issn         = {0927-0248},
      address      = {Amsterdam},
      publisher    = {North Holland},
      reportid     = {FZJ-2014-05664},
      pages        = {401 - 409},
      year         = {2014},
      abstract     = {The optical performance of tandem a-Si:H/μc-Si:H
                      (micromorph) thin film solar cell was investigated
                      experimentally and by means of rigorous 3-D optical
                      simulation. The interplay of intermediate reflectors, with
                      different refractive indices and thicknesses, and front
                      electrode surface texture was studied. Experiments and
                      simulations show that LPCVD ZnO based front electrodes have
                      the highest optical potential together with a low refractive
                      index of the intermediate reflector. The intermediate
                      reflector layer serves for redistribution of the mid-range
                      solar spectrum between the top and bottom cell, while the
                      sum of the top and bottom cell currents decreases with
                      increasing IRL thickness. Additionally, promising concepts
                      to increase the short-circuit current of the tandem solar
                      cell are shown. The most important steps are related to
                      lowering parasitic absorption in supportive layers by the
                      introduction of silicon oxide layers and improving the light
                      incoupling by introduction of anti-reflective layers.},
      cin          = {IEK-5},
      ddc          = {530},
      cid          = {I:(DE-Juel1)IEK-5-20101013},
      pnm          = {111 - Thin Film Photovoltaics (POF2-111) / HITEC -
                      Helmholtz Interdisciplinary Doctoral Training in Energy and
                      Climate Research (HITEC) (HITEC-20170406)},
      pid          = {G:(DE-HGF)POF2-111 / G:(DE-Juel1)HITEC-20170406},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000343612600052},
      doi          = {10.1016/j.solmat.2014.07.025},
      url          = {https://juser.fz-juelich.de/record/172154},
}