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@ARTICLE{Urbain:278799,
      author       = {Urbain, Felix and Smirnov, Vladimir and Becker, Jan Philipp
                      and Lambertz, Andreas and Rau, Uwe and Finger, Friedhelm},
      title        = {{L}ight-induced degradation of adapted quadruple junction
                      thin film silicon solar cells for photoelectrochemical water
                      splitting},
      journal      = {Solar energy materials $\&$ solar cells},
      volume       = {145},
      number       = {2},
      issn         = {0927-0248},
      address      = {Amsterdam},
      publisher    = {North Holland},
      reportid     = {FZJ-2015-07033},
      pages        = {142 - 147},
      year         = {2016},
      abstract     = {The fabrication process of high performance quadruple
                      junction thin film silicon solar cells is described and the
                      application of the solar cells in an integrated
                      photoelectrochemical water splitting device is demonstrated.
                      It is shown that the performance of solar cells can be
                      adjusted by varying the process parameters and the thickness
                      of the absorber layers of the individual sub cells and by
                      integrating microcrystalline silicon oxide as intermediate
                      reflecting layers. Thereby current matching of the sub cells
                      was improved and a high open-circuit voltage of 2.8 V was
                      achieved. Furthermore, the solar cell stability against
                      light-induced degradation was investigated. Efficiencies of
                      $13.2\%$ (initial) and $12.6\%$ (after 1000 h of
                      light-soaking) were achieved. Bias-free water splitting with
                      a solar-to-hydrogen efficiency of $7.8\%$ was demonstrated
                      in an integrated photovoltaic–electrochemical device using
                      the developed quadruple junction photocathode. Finally, it
                      is shown that in the case of quadruple junction solar cells
                      the light-induced degradation has a lower effect on the
                      photovoltaic–electrochemical efficiency as on the
                      photovoltaic efficiency.},
      cin          = {IEK-5},
      ddc          = {530},
      cid          = {I:(DE-Juel1)IEK-5-20101013},
      pnm          = {121 - Solar cells of the next generation (POF3-121) / 126 -
                      Solar Fuels (POF3-126) / HITEC - Helmholtz Interdisciplinary
                      Doctoral Training in Energy and Climate Research (HITEC)
                      (HITEC-20170406)},
      pid          = {G:(DE-HGF)POF3-121 / G:(DE-HGF)POF3-126 /
                      G:(DE-Juel1)HITEC-20170406},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000367772200009},
      doi          = {10.1016/j.solmat.2015.07.033},
      url          = {https://juser.fz-juelich.de/record/278799},
}