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@ARTICLE{CdizBedini:810308,
      author       = {Cádiz Bedini, A. P. and Muthmann, S. and Allgaier, J. and
                      Bittkau, Karsten and Finger, Friedhelm and Carius, Reinhard},
      title        = {{L}iquid hydridosilane precursor prepared from
                      cyclopentasilane via sonication at low temperatures without
                      the action of light},
      journal      = {Ultrasonics sonochemistry},
      volume       = {34},
      issn         = {1350-4177},
      address      = {Amsterdam [u.a.]},
      publisher    = {Elsevier Science},
      reportid     = {FZJ-2016-03159},
      pages        = {289 - 293},
      year         = {2017},
      abstract     = {We report on a liquid hydridosilane precursor ink prepared
                      via the ultrasonically induced ring-opening polymerisation
                      of cyclopentasilane (Si5H10) without irradiation by
                      ultraviolet light. The sonication is carried out in N2
                      atmosphere at temperatures between 20 and 75 °C. We use
                      size exclusion chromatography (SEC) to show polymer growth
                      and estimate molecular mass with increasing sonication time.
                      In combination with UV–vis transmission measurements,
                      further SEC analysis is used to compare solutions subjected
                      to either purely thermal or ultrasonic treatment at the same
                      process temperature and for the same duration. Our findings
                      provide strong evidence showing that the initiation of the
                      polymerisation is sonocatalytic in nature and not thermic
                      due to the macroscopic temperature of the solution. The
                      liquid precursor is used to produce homogeneous hydrogenated
                      amorphous silicon (a-Si:H) thin films via spin coating and
                      pyrolytic conversion. The optoelectronic properties of the
                      films are subsequently improved by hydrogen radical
                      treatment. Fourier transform infrared spectroscopy (FTIR) is
                      used to determine a compact film morphology and electrical
                      conductivity measurements show that the layers attain a
                      light-to-dark photosensitivity ratio of 2 × 103 making them
                      suitable for application in optoelectronic devices.},
      cin          = {ICS-1 / Neutronenstreuung ; JCNS-1 / IEK-5},
      ddc          = {540},
      cid          = {I:(DE-Juel1)ICS-1-20110106 / I:(DE-Juel1)JCNS-1-20110106 /
                      I:(DE-Juel1)IEK-5-20101013},
      pnm          = {551 - Functional Macromolecules and Complexes (POF3-551) /
                      6G4 - Jülich Centre for Neutron Research (JCNS) (POF3-623)
                      / 6215 - Soft Matter, Health and Life Sciences (POF3-621) /
                      121 - Solar cells of the next generation (POF3-121)},
      pid          = {G:(DE-HGF)POF3-551 / G:(DE-HGF)POF3-6G4 /
                      G:(DE-HGF)POF3-6215 / G:(DE-HGF)POF3-121},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000387626500034},
      pubmed       = {pmid:27773248},
      doi          = {10.1016/j.ultsonch.2016.05.039},
      url          = {https://juser.fz-juelich.de/record/810308},
}