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@ARTICLE{Welter:889216,
      author       = {Welter, Katharina and Becker, Jan-Philipp and Finger,
                      Friedhelm and Jaegermann, Wolfram and Smirnov, Vladimir},
      title        = {{P}erformance of {I}ntegrated {T}hin-{F}ilm {S}ilicon
                      {S}olar {C}ell-{B}ased {W}ater-{S}plitting {D}evices under
                      {V}arying {I}llumination {A}ngles and an {E}stimation of
                      {T}heir {A}nnual {H}ydrogen {P}roduction},
      journal      = {Energy $\&$ fuels},
      volume       = {35},
      number       = {1},
      issn         = {1520-5029},
      address      = {Columbus, Ohio},
      publisher    = {American Chemical Society},
      reportid     = {FZJ-2021-00121},
      pages        = {839 - 846},
      year         = {2021},
      abstract     = {We have investigated the influence of simulated outdoor
                      illumination conditions on the functionality of
                      photovoltaic-biased electrosynthetic (PV–EC) systems used
                      for the production of hydrogen as a renewable and storable
                      fuel via solar water splitting. Thin-film multijunction
                      solar cells were adopted for the PV part of the device
                      together with an electrosynthetic cell with a Pt/IrOx
                      catalyst pair in a 1 molar potassium hydroxide electrolyte
                      solution. We studied the influence of the incident
                      illumination angle on the solar-to-hydrogen efficiency and
                      have given a first evaluation of the long-term (1 year)
                      performance of PV–EC systems in terms of the hydrogen
                      volume produced for a given geographical location. In this
                      approach, variations from the standard AM1.5G type
                      illumination expressed as changes in the average photon
                      energy of the spectra were used to simulate different
                      geographical locations as well as seasonal and daily changes
                      in the illumination spectra. Finally, we compared the impact
                      of various types of multijunction photovoltaic devices
                      (tandem, triple, and quadruple junctions) on the annual
                      solar hydrogen production.},
      cin          = {IEK-5},
      ddc          = {660},
      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:000609088800070},
      doi          = {10.1021/acs.energyfuels.0c02419},
      url          = {https://juser.fz-juelich.de/record/889216},
}