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@ARTICLE{Mastria:878152,
      author       = {Mastria, Rosanna and Scarfiello, Riccardo and Altamura,
                      Davide and Giannini, Cinzia and Liscio, Andrea and Kovtun,
                      Alessandro and Bianco, Giuseppe Valerio and Bruno, Giovanni
                      and Grillo, Vincenzo and Tavabi, Amir H. and
                      Dunin-Borkowski, Rafal E. and Nobile, Concetta and Cola,
                      Adriano and Cozzoli, P. Davide and Gambino, Salvatore and
                      Rizzo, Aurora},
      title        = {{I}n-plane {A}ligned {C}olloidal 2{D} {WS}2 {N}anoflakes
                      for {S}olution-{P}rocessable {T}hin {F}ilms with {H}igh
                      {P}lanar {C}onductivity},
      journal      = {Scientific reports},
      volume       = {9},
      number       = {1},
      issn         = {2045-2322},
      address      = {[London]},
      publisher    = {Macmillan Publishers Limited, part of Springer Nature},
      reportid     = {FZJ-2020-02665},
      pages        = {9002},
      year         = {2019},
      abstract     = {Two-dimensional transition-metal dichalcolgenides (2D-TMDs)
                      are among the most intriguing materials for next-generation
                      electronic and optoelectronic devices. Albeit still at the
                      embryonic stage, building thin films by manipulating and
                      stacking preformed 2D nanosheets is now emerging as a
                      practical and cost-effective bottom-up paradigm to obtain
                      excellent electrical properties over large areas. Herein, we
                      exploit the ultrathin morphology and outstanding solution
                      stability of 2D WS2 colloidal nanocrystals to make thin
                      films of TMDs assembled on a millimetre scale by a
                      layer-by-layer deposition approach. We found that a
                      room-temperature surface treatment with a superacid,
                      performed with the precise scope of removing the native
                      insulating surfactants, promotes in-plane assembly of the
                      colloidal WS2 nanoflakes into stacks parallel to the
                      substrate, along with healing of sulphur vacancies in the
                      lattice that are detrimental to electrical conductivity. The
                      as-obtained 2D WS2 thin films, characterized by a smooth and
                      compact morphology, feature a high planar conductivity of up
                      to 1 μS, comparable to the values reported for epitaxially
                      grown WS2 monolayers, and enable photocurrent generation
                      upon light irradiation over a wide range of visible to
                      near-infrared frequencies.},
      cin          = {ER-C-1},
      ddc          = {600},
      cid          = {I:(DE-Juel1)ER-C-1-20170209},
      pnm          = {143 - Controlling Configuration-Based Phenomena (POF3-143)
                      / Q-SORT - QUANTUM SORTER (766970)},
      pid          = {G:(DE-HGF)POF3-143 / G:(EU-Grant)766970},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:31227748},
      UT           = {WOS:000472477300001},
      doi          = {10.1038/s41598-019-45192-1},
      url          = {https://juser.fz-juelich.de/record/878152},
}