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@ARTICLE{Balzer:90962,
      author       = {Balzer, C. and Wildhage, T. and Braxmeier, S. and
                      Reichenauer, G. and Olivier, J. P. and DESY},
      title        = {{D}eformation of {P}orous {C}arbons upon {A}dsorption},
      journal      = {Langmuir},
      volume       = {27},
      issn         = {0743-7463},
      address      = {Washington, DC},
      publisher    = {ACS Publ.},
      reportid     = {PHPPUBDB-16389},
      pages        = {2553-2560},
      year         = {2011},
      abstract     = {N(2) and CO(2) sorption measurements with in situ
                      dilatometry implemented in a commercial volumetric sorption
                      instrument were performed at 77 and 273 K, respectively. The
                      resolution of the linear deformation was about ±0.2 μm. To
                      separate effects due to microporosity, external surface area
                      and mesopores synthetic porous carbons (xerogels) with
                      different external surface areas and microporosities were
                      applied as a model system. The experimental data show that
                      the relative length change of the monolithic carbon xerogels
                      investigated passes different stages during ad- and
                      desorption, which are connected to micropore-, multilayer-
                      and mesopore-sorption. The length change observed in the
                      range of micropore and surface adsorption was found to be
                      nonmonotonic and to take negative as well as positive
                      values, with the maximum swelling observed being on the
                      order of 4‰. With respect to the length change, the
                      micropore structure seems to have the most significant
                      impact on the overall length change, while the external
                      surface is only of minor importance. Quantiative analysis of
                      the deformation according to the models of Bangham and
                      Scherer for the length change in the range of multilayer-
                      and mesopore-adsorption allows extracting the macrosopic as
                      well as the skeletal Young's modulus.},
      cin          = {HASYLAB},
      ddc          = {670},
      cid          = {$I:(DE-H253)HASYLAB_-2012_-20130307$},
      pnm          = {DORIS Beamline B1 (POF2-54G13)},
      pid          = {G:(DE-H253)POF2-B1-20130405},
      experiment   = {EXP:(DE-H253)D-B1-20150101},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:21341778},
      UT           = {WOS:000288039500068},
      doi          = {10.1021/la104469u},
      url          = {https://bib-pubdb1.desy.de/record/90962},
}