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@ARTICLE{Gao:281190,
      author       = {Gao, Lu and Cui, Yingchao and Vervuurt, Rene H. J. and van
                      Dam, Dick and van Veldhoven, Rene P. J. and Hofmann, Jan P.
                      and Bol, Ageeth A. and Haverkort, Jos E. M. and Notten,
                      Peter H. L. and Bakkers, Erik P. A. M. and Hensen, Emiel J.
                      M.},
      title        = {{H}igh-{E}fficiency {I}n{P}-{B}ased {P}hotocathode for
                      {H}ydrogen {P}roduction by {I}nterface {E}nergetics {D}esign
                      and {P}hoton {M}anagement},
      journal      = {Advanced functional materials},
      volume       = {26},
      number       = {5},
      issn         = {1616-301X},
      address      = {Weinheim},
      publisher    = {Wiley-VCH},
      reportid     = {FZJ-2016-00889},
      pages        = {679–686},
      year         = {2016},
      abstract     = {The solar energy conversion efficiency of
                      photoelectrochemical (PEC) devices is usually limited by
                      poor interface energetics, limiting the onset potential, and
                      light reflection losses. Here, a three-pronged approach to
                      obtain excellent performance of an InP-based photoelectrode
                      for water reduction is presented. First, a buried p–n+
                      junction is fabricated, which shifts the valence band edge
                      favorably with respect to the hydrogen redox potential.
                      Photoelectron spectroscopy substantiates that the shift of
                      the surface photovoltage is mainly determined by the buried
                      junction. Second, a periodic array of InP nanopillars is
                      created at the surface of the photoelectrode to
                      substantially reduce the optical reflection losses. This
                      device displays an unprecedented photocathodic power-saved
                      efficiency of $15.8\%$ for single junction water reduction.
                      Third, a thin TiO2 protection layer significantly increases
                      the stability of the InP-based photoelectrode. Careful
                      design of the interface energetics based on surface
                      photovoltage spectroscopy allows obtaining a PEC cell with
                      stable record performance in water reduction.},
      cin          = {IEK-9},
      ddc          = {620},
      cid          = {I:(DE-Juel1)IEK-9-20110218},
      pnm          = {131 - Electrochemical Storage (POF3-131)},
      pid          = {G:(DE-HGF)POF3-131},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000369969100003},
      doi          = {10.1002/adfm.201503575},
      url          = {https://juser.fz-juelich.de/record/281190},
}