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@ARTICLE{Gritti:825467,
      author       = {Gritti, Claudia and Raza, Søren and Kadkhodazadeh, Shima
                      and Kardynal, Beata and Malureanu, Radu and Mortensen, N.
                      Asger and Lavrinenko, Andrei V.},
      title        = {{B}roadband infrared absorption enhancement by
                      electroless-deposited silver nanoparticles},
      journal      = {Nanophotonics},
      volume       = {6},
      number       = {1},
      issn         = {2192-8614},
      address      = {Berlin},
      publisher    = {de Gruyter},
      reportid     = {FZJ-2016-07930},
      pages        = {289–297},
      year         = {2017},
      abstract     = {Decorating semiconductor surfaces with plasmonic
                      nanoparticles (NPs) is considered a viable solution for
                      enhancing the absorptive properties of photovoltaic and
                      photodetecting devices. We propose to deposit silver NPs on
                      top of a semiconductor wafer by a cheap and fast electroless
                      plating technique. Optical characterization confirms that
                      the random array of electroless-deposited NPs improves
                      absorption by up to $20\%$ in a broadband of near-infrared
                      frequencies from the bandgap edge to 2000 nm. Due to the
                      small filling fraction of particles, the reflection in the
                      visible range is practically unchanged, which points to the
                      possible applications of such deposition method for
                      harvesting photons in nanophotonics and photovoltaics. The
                      broadband absorption is a consequence of the resonant
                      behavior of particles with different shapes and sizes, which
                      strongly localize the incident light at the interface of a
                      high-index semiconductor substrate. Our hypothesis is
                      substantiated by examining the plasmonic response of the
                      electroless-deposited NPs using both electron energy loss
                      spectroscopy and numerical calculations.},
      cin          = {PGI-9 / JARA-FIT},
      ddc          = {530},
      cid          = {I:(DE-Juel1)PGI-9-20110106 / $I:(DE-82)080009_20140620$},
      pnm          = {524 - Controlling Collective States (POF3-524)},
      pid          = {G:(DE-HGF)POF3-524},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000390606900017},
      doi          = {10.1515/nanoph-2016-0114},
      url          = {https://juser.fz-juelich.de/record/825467},
}