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@INPROCEEDINGS{Blank:185657,
      author       = {Blank, Beatrix and Ulbrich, Carolin and Pieters, Bart and
                      Gerber, Andreas and Rau, Uwe},
      title        = {{D}egradation of tandem solar cells: {S}eparating matching
                      effects from {S}taebler-{W}ronski {E}ffect using the
                      {P}ower-{M}atching-{M}ethod},
      publisher    = {IEEE},
      reportid     = {FZJ-2014-07082},
      isbn         = {978-1-4799-4398-2978-1-4799-4399-9},
      pages        = {3457 - 3462},
      year         = {2014},
      abstract     = {In thin-film tandem solar cells the sub cells are usually
                      connected in series. The inherent current-limitation needs
                      to be considered when optimizing the efficiency, but
                      furthermore leads to challenges when comparing the sub cells
                      performances of differently matched tandem cells. We have
                      introduced the Power-Matching-Method that characterizes the
                      device not only under one standard spectrum but under
                      various spectral distributions. By this method, the same
                      tandem cell can be characterized under various matching
                      conditions. Based on simulations, we demonstrate a
                      convenient way to compare differently matched tandem solar
                      cells. Moreover, our simulations show that the method allows
                      distinguishing between matching effects and changes in the
                      sub-cells properties, e.g. changes due to the
                      Staebler-Wronski-Effect.},
      month         = {Jun},
      date          = {2014-06-08},
      organization  = {2014 IEEE 40th Photovoltaic
                       Specialists Conference (PVSC), Denver
                       (CO), 8 Jun 2014 - 13 Jun 2014},
      cin          = {IEK-5},
      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)8},
      doi          = {10.1109/PVSC.2014.6925677},
      url          = {https://juser.fz-juelich.de/record/185657},
}