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@ARTICLE{Jiang:454010,
      author       = {Jiang, Xinyu and Kim, Hongwon and Deimel, Peter S. and
                      Chen, Wei and Cao, Wei and Yang, Dan and Yin, Shanshan and
                      Schaffrinna, Roy and Allegretti, Francesco and Barth,
                      Johannes V. and Schwager, Martina and Tang, Haodong and
                      Wang, Kai and Schwartzkopf, Matthias and Roth, Stephan V.
                      and Müller-Buschbaum, Peter},
      title        = {{I}nternal nanoscale architecture and charge carrier
                      dynamics of wide bandgap non-fullerene bulk heterojunction
                      active layers in organic solar cells},
      journal      = {Journal of materials chemistry / A},
      volume       = {8},
      number       = {44},
      issn         = {2050-7496},
      address      = {London ˜[u.a.]œ},
      publisher    = {RSC},
      reportid     = {PUBDB-2021-00367},
      pages        = {23628 - 23636},
      year         = {2020},
      note         = {Waiting for fulltext},
      abstract     = {Bulk heterojunction (BHJ) organic solar cells have gained
                      increasing attention in the past few years. In this work,
                      active layers of a wide-bandgap polymer donor with
                      benzodithiophene units PBDB-T-2F and a non-fullerene small
                      molecule acceptor IT-M are assembled into photovoltaic
                      devices with different amounts of solvent additive
                      1,8-diiodooctane (DIO). The influence of DIO on the
                      nanoscale film morphology and crystalline structure as well
                      as the charge carrier dynamics of the active layers are
                      investigated by combining grazing-incidence small-angle
                      X-ray scattering (GISAXS), grazing-incidence wide-angle
                      X-ray scattering (GIWAXS), X-ray reflectivity (XRR),
                      UV-visible (UV-vis) absorption spectroscopy, X-ray
                      photoelectron spectroscopy (XPS), time-resolved
                      photoluminescence (TRPL) and space charge limited current
                      measurements, which are correlated with the corresponding
                      performance of the solar cells. At 0.5 $vol\%$ DIO addition,
                      the wide-bandgap non-fullerene organic solar cells show the
                      best performance due to high open-circuit voltage and
                      short-circuit current resulting from an improved charge
                      carrier management due to the optimal inner nanoscale
                      morphology of the active layers in terms of surface
                      enrichment, crystallinity and crystalline orientation.},
      cin          = {DOOR ; HAS-User / FS-PET-D},
      ddc          = {530},
      cid          = {I:(DE-H253)HAS-User-20120731 /
                      I:(DE-H253)FS-PET-D-20190712},
      pnm          = {6213 - Materials and Processes for Energy and Transport
                      Technologies (POF3-621) / 6G3 - PETRA III (POF3-622) /
                      SWEDEN-DESY - SWEDEN-DESY Collaboration
                      $(2020_Join2-SWEDEN-DESY)$ / DFG project 390776260 - EXC
                      2089: e-conversion (390776260)},
      pid          = {G:(DE-HGF)POF3-6213 / G:(DE-HGF)POF3-6G3 /
                      $G:(DE-HGF)2020_Join2-SWEDEN-DESY$ / G:(GEPRIS)390776260},
      experiment   = {EXP:(DE-H253)P-P03-20150101},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000590158400044},
      doi          = {10.1039/D0TA09671G},
      url          = {https://bib-pubdb1.desy.de/record/454010},
}