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@ARTICLE{Cottre:877851,
      author       = {Cottre, Thorsten and Welter, Katharina and Ronge, Emanuel
                      and Smirnov, Vladimir and Finger, Friedhelm and Jooss,
                      Christian and Kaiser, Bernhard and Jaegermann, Wolfram},
      title        = {{I}ntegrated {D}evices for {P}hotoelectrochemical {W}ater
                      {S}plitting {U}sing {A}dapted {S}ilicon {B}ased
                      {M}ulti-{J}unction {S}olar {C}ells {P}rotected by {ALD}
                      {T}i{O}2 {C}oatings},
      journal      = {Zeitschrift für physikalische Chemie},
      volume       = {234},
      number       = {6},
      issn         = {2196-7156},
      address      = {Berlin},
      publisher    = {˜Deœ Gruyter},
      reportid     = {FZJ-2020-02475},
      pages        = {1155–1169},
      year         = {2020},
      abstract     = {In this study, we present different silicon based
                      integrated devices for photoelectrochemical water splitting,
                      which provide enough photovoltage to drive the reaction
                      without an external bias. Thin films of titanium dioxide,
                      prepared by atomic layer deposition (ALD), are applied as a
                      surface passivation and corrosion protection. The interfaces
                      between the multi-junction cells and the protective coating
                      were optimized individually by etching techniques and
                      finding optimal parameters for the ALD process. The energy
                      band alignment of the systems was studied by X-ray
                      photoelectron spectroscopy (XPS). Electrochemically
                      deposited platinum particles were used to reduce the HER
                      overpotential. The prepared systems were tested in a
                      three-electrode arrangement under AM 1.5 illumination in 0.1
                      M KOH. In final tests the efficiency and stability of the
                      prepared devices were tested in a two-electrode arrangement
                      in dependence of the pH value with a ruthenium-iridium oxide
                      counter electrode. For the tandem-junction device solar to
                      hydrogen efficiencies (STH) up to $1.8\%$ were reached, and
                      the triple-junction device showed a maximum efficiency of
                      $4.4\%.$},
      cin          = {IEK-5},
      ddc          = {540},
      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:000542554000006},
      doi          = {10.1515/zpch-2019-1483},
      url          = {https://juser.fz-juelich.de/record/877851},
}