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@ARTICLE{Zhao:281846,
      author       = {Zhao, Yue and Yoshida, Miru and Oshima, Tatsuya and
                      Koizumi, Satoshi and Rikukawa, Masahiro and Szekely, Noemi
                      and Radulescu, Aurel and Richter, Dieter},
      title        = {{E}lucidation of the morphology of the hydrocarbon
                      multi-block copolymer electrolyte membranes for proton
                      exchange fuel cells},
      journal      = {Polymer},
      volume       = {86},
      issn         = {0032-3861},
      address      = {Oxford},
      publisher    = {Elsevier Science},
      reportid     = {FZJ-2016-01513},
      pages        = {157–167},
      year         = {2016},
      abstract     = {We investigated the structure and the swelling behavior of
                      two synthesized hydrocarbon polymer electrolyte membranes,
                      made of multiblock copolymer poly(sulphonate
                      phenylene)-b-poly(arylene ether ketone) with different block
                      ratios, by using small-angle neutron scattering technique. A
                      scattering maximum (ionomer peak) at high-q range (0.1 < q <
                      0.3 Å−1) is shown commonly in both dry and wet states,
                      with q being the magnitude of the scattering vector, while
                      it shifts towards low-q region in the wet state due to the
                      swelling of the ionomer domains with water. The swelling
                      effect also results to a second scattering maximum in the
                      middle-q range (0.01 < q < 0.03 Å−1) because of the
                      water-induced microphase separation. This swelling behavior
                      was confirmed in various water mixtures of normal water and
                      deuterated water with different volume ratios (contrast
                      variation method). The morphology of the wet membranes was
                      analyzed in terms of Hard-Sphere model with Percus–Yervick
                      interference interactions. Our analysis indicated that (i)
                      the hydrated microdomains in the membranes are
                      interconnected, which is the key point to promote the proton
                      conductivity; (ii) the water-induced microphase separation
                      structure and the amphiphilicity of the matrix for embedding
                      the ionomer domains are closely related to the chemical
                      structure of the polymer.},
      cin          = {JCNS (München) ; Jülich Centre for Neutron Science JCNS
                      (München) ; JCNS-FRM-II / Neutronenstreuung ; JCNS-1},
      ddc          = {540},
      cid          = {I:(DE-Juel1)JCNS-FRM-II-20110218 /
                      I:(DE-Juel1)JCNS-1-20110106},
      pnm          = {6G15 - FRM II / MLZ (POF3-6G15) / 6G4 - Jülich Centre for
                      Neutron Research (JCNS) (POF3-623)},
      pid          = {G:(DE-HGF)POF3-6G15 / G:(DE-HGF)POF3-6G4},
      experiment   = {EXP:(DE-MLZ)KWS2-20140101},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000370489600018},
      doi          = {10.1016/j.polymer.2016.01.061},
      url          = {https://juser.fz-juelich.de/record/281846},
}