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@ARTICLE{Emelianov:858274,
      author       = {Emelianov, Aleksei V. and Kireev, Dmitry and Offenhäusser,
                      Andreas and Otero, Nerea and Romero, Pablo M. and
                      Bobrinetskiy, Ivan I.},
      title        = {{T}hermoelectrically {D}riven {P}hotocurrent {G}eneration
                      in {F}emtosecond {L}aser {P}atterned {G}raphene {J}unctions},
      journal      = {ACS photonics},
      volume       = {5},
      number       = {8},
      issn         = {2330-4022},
      address      = {Washington, DC},
      publisher    = {ACS},
      reportid     = {FZJ-2018-07165},
      pages        = {3107 - 3115},
      year         = {2018},
      abstract     = {Single and few-layer graphene photodetectors have attracted
                      much attention in the past few years. Pristine graphene
                      shows a very weak response to visible light; hence,
                      fabrication of complex graphene-based detectors is a
                      challenging task. In this work, we utilize the ultrafast
                      laser functionalization of single-layer CVD graphene for
                      highly desirable maskless fabrication of micro- and
                      nanoscale devices. We investigate the optoelectronic
                      response of pristine and functionalized devices under
                      femtosecond and continuous wave lasers irradiation. We
                      demonstrate that the photocurrent generation in p–p+
                      junctions formed in single-layer graphene is related to the
                      photothermoelectric effect. The photoresponsivity of our
                      laser patterned single-layer graphene junctions is shown to
                      be as high as 100 mA/W with noise equivalent power less than
                      6 kW/cm2. These results open a path to a low-cost maskless
                      technology for fabrication of graphene-based optoelectronic
                      devices with tunable properties for spectroscopy, signal
                      processing, and other applications.},
      cin          = {ICS-8},
      ddc          = {530},
      cid          = {I:(DE-Juel1)ICS-8-20110106},
      pnm          = {523 - Controlling Configuration-Based Phenomena (POF3-523)},
      pid          = {G:(DE-HGF)POF3-523},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000442185900019},
      doi          = {10.1021/acsphotonics.8b00350},
      url          = {https://juser.fz-juelich.de/record/858274},
}