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Home  >  Journal list  >  Journal of the Ceramic Society of Japan  >  Vol.119  No.1388 (April) (2011)  >  pp.307-309

Journal of the Ceramic Society of Japan
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Carbon deposition map for nickel particles onto oxide substrates analyzed by micro-Raman spectroscopy

Masashi YOSHINAGA1), Haruo KISHIMOTO1), Manuel E. BRITO1), Katsuhiko YAMAJI1), Teruhisa HORITA1) and Harumi YOKOKAWA1)2)
1) National Institute of Advanced Industrial Science and Technology (AIST)
2) Tokyo City University


  Distribution maps of carbon deposited on nickel particles were obtained by micro-Raman spectroscopy. Nickel film was prepared on the oxide substrates of yttria stabilized zirconia (YSZ) and gadolinia doped ceria (GDC). Carbon deposition was induced by annealing in dry methane for 10 min at both 863 and 933 K. Morphology of nickel film was changed into particles with the size of several ten-nanometer to several micrometer at the edge of the nickel film after annealing. For the nickel/YSZ systems, carbon thoroughly deposited on all of sintered nickel particles but was not observed on YSZ surface. For the nickel/GDC systems, carbon was deposited only on the nickel particles with sub-micrometer size.


Keyword:
Micro-Raman spectroscopy, Carbon deposition, Nickel particle, Triple phase boundary (TPB), Solid oxide fuel cell (SOFC)

Received: February 02, 2011
Accepted: February 13, 2011 , Published online: April 01, 2011
Copyright (c) 2011 The Ceramic Society of Japan

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