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@ARTICLE{Ueda:842465,
author = {Ueda, Satoru and Koizumi, Satoshi and Ohira, Akihiro and
Kuroda, Seiichi and Frielinghaus, Henrich},
title = {{G}razing-incident neutron scattering to access catalyst
for polymer electrolyte fuel cell},
journal = {Physica / B},
volume = {551},
issn = {0921-4526},
address = {Amsterdam},
publisher = {Elsevier},
reportid = {FZJ-2018-00699},
pages = {309-314},
year = {2018},
abstract = {To observe details of three phase contact in a fuel cell
catalyst layer and water distribution, we performed grazing
incidence small-angle neutron scattering (GISANS) and
neutron reflectivity (NR). We prepared a model catalyst on
silicon(Si) substrates on which platinum(Pt) and Nafion thin
layers are stacked. We employed two machines(KWS-1 and
iMATERIA, respectively), which are monochromatic at FRM-II
Germany and time-of-flight at J-PARC Japan. In case of Pt
flat surface, which was prepared by sputtering, the
influence due to humidification was observed in the vertical
direction; a water layer could be confirmed between the Pt
layer and the Nafion layer,increase in the thickness of the
Nafion layer and increase in the water content of Nafion
thin layer could be confirmed. The horizontal direction, on
the other hand, water channels (microphase separation of
Nafion) could not be observed in the core of thin Nafion
layer. We also prepared the specimen, first Pt
nano-particles areimplanted in a surface of Si substrate and
second Nafion thin layer covers by spin coating.},
cin = {JCNS-FRM-II / Neutronenstreuung ; JCNS-1},
ddc = {530},
cid = {I:(DE-Juel1)JCNS-FRM-II-20110218 /
I:(DE-Juel1)JCNS-1-20110106},
pnm = {6G4 - Jülich Centre for Neutron Research (JCNS) (POF3-623)
/ 6G15 - FRM II / MLZ (POF3-6G15)},
pid = {G:(DE-HGF)POF3-6G4 / G:(DE-HGF)POF3-6G15},
experiment = {EXP:(DE-MLZ)KWS1-20140101},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000455012800063},
doi = {10.1016/j.physb.2017.12.061},
url = {https://juser.fz-juelich.de/record/842465},
}