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@ARTICLE{Shavorskiy:842074,
      author       = {Shavorskiy, Andrey and Ye, Xiaofei and Karslıoğlu, Osman
                      and Poletayev, Andrey D. and Hartl, Matthias and
                      Zegkinoglou, Ioannis and Trotochaud, Lena and Nemšák,
                      Slavomir and Schneider, Claus M. and Crumlin, Ethan J. and
                      Axnanda, Stephanus and Liu, Zhi and Ross, Philip N. and
                      Chueh, William and Bluhm, Hendrik},
      title        = {{D}irect {M}apping of {B}and {P}ositions in {D}oped and
                      {U}ndoped {H}ematite during {P}hotoelectrochemical {W}ater
                      {S}plitting},
      journal      = {The journal of physical chemistry letters},
      volume       = {8},
      number       = {22},
      issn         = {1948-7185},
      address      = {Washington, DC},
      publisher    = {ACS},
      reportid     = {FZJ-2018-00355},
      pages        = {5579 - 5586},
      year         = {2017},
      abstract     = {Photoelectrochemical water splitting is a promising pathway
                      for the direct conversion of renewable solar energy to easy
                      to store and use chemical energy. The performance of a
                      photoelectrochemical device is determined in large part by
                      the heterogeneous interface between the photoanode and the
                      electrolyte, which we here characterize directly under
                      operating conditions using interface-specific probes.
                      Utilizing X-ray photoelectron spectroscopy as a noncontact
                      probe of local electrical potentials, we demonstrate direct
                      measurements of the band alignment at the
                      semiconductor/electrolyte interface of an operating
                      hematite/KOH photoelectrochemical cell as a function of
                      solar illumination, applied potential, and doping. We
                      provide evidence for the absence of in-gap states in this
                      system, which is contrary to previous measurements using
                      indirect methods, and give a comprehensive description of
                      shifts in the band positions and limiting processes during
                      the photoelectrochemical reaction.},
      cin          = {PGI-6 / PGI-11},
      ddc          = {530},
      cid          = {I:(DE-Juel1)PGI-6-20110106 / I:(DE-Juel1)PGI-11-20170113},
      pnm          = {522 - Controlling Spin-Based Phenomena (POF3-522)},
      pid          = {G:(DE-HGF)POF3-522},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:29083905},
      UT           = {WOS:000416291600019},
      doi          = {10.1021/acs.jpclett.7b02548},
      url          = {https://juser.fz-juelich.de/record/842074},
}