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@ARTICLE{Lezhnina:57169,
      author       = {Lezhnina, M. and Benevante, E. and Bentlage, M. and
                      Echevarría, Y. and Klumpp, E. and Kynast, U.},
      title        = {{L}uminescent {H}ybrid {M}aterial {B}ased on a {C}lay
                      {M}ineral},
      journal      = {Chemistry of materials},
      volume       = {19},
      issn         = {0897-4756},
      address      = {Washington, DC},
      publisher    = {American Chemical Society},
      reportid     = {PreJuSER-57169},
      pages        = {1098 - 1102},
      year         = {2007},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {Clay minerals, and within these, the smectite group,
                      including the hectorites in focus, possess layered
                      structures, in which interlayer chemistry may be applied to
                      functionalize them optically. While luminescence from
                      organic dyes has previously been described in the
                      structurally closely related montmorillonites, attempts to
                      obtain luminescence from occluded rare earths is not known
                      to exhibit significant efficiency. This may in part be due
                      to the presence of significant amounts of iron, but is
                      mostly due to the inherent presence of water and structural
                      OH groups. In the present paper, attempts to screen Tb3+
                      from disadvantageous matrix interactions by generating
                      complexes with 2,2'-bypyridine within the interlayers are
                      described, which eventually yield a 12-fold increase in
                      emission intensity on complexation or about $20\%$ in
                      quantum efficiency, respectively. Even very low levels of
                      iron impurities appear to still be a delimiting factor with
                      regard to optical efficiency. However, if these can be
                      avoided, the distinctly two-dimensional morphological
                      features of of the hectorites or other clay minerals may be
                      exploited toward new interesting optical applications.},
      keywords     = {J (WoSType)},
      cin          = {ICG-4},
      ddc          = {540},
      cid          = {I:(DE-Juel1)VDB793},
      pnm          = {Terrestrische Umwelt},
      pid          = {G:(DE-Juel1)FUEK407},
      shelfmark    = {Chemistry, Physical / Materials Science, Multidisciplinary},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000244467800024},
      doi          = {10.1021/cm061031h},
      url          = {https://juser.fz-juelich.de/record/57169},
}