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Inhomogeneous Phase Transition upon Hydrogenation of Nanocluster Pd Films
Author(s) -
Di Vece Marcel,
Kelly John J.,
Lievens Peter
Publication year - 2009
Publication title -
chemphyschem
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.016
H-Index - 140
eISSN - 1439-7641
pISSN - 1439-4235
DOI - 10.1002/cphc.200800679
Subject(s) - nanoclusters , palladium , hydrogen , miscibility , materials science , spinodal decomposition , phase (matter) , electrochemistry , chemical engineering , chemical physics , nanotechnology , chemistry , organic chemistry , catalysis , polymer , electrode , engineering , composite material
Phased out: A combination of electrochemical and optical techniques is used to study the interaction of hydrogen with palladium nanoclusters. Hydrogen pressure‐composition isotherms reveal the reduced presence of the β phase in palladium nanoclusters. Hydrogen extraction transients relate the reduced miscibility gap to a core‐shell phase transformation in the palladium nanoclusters (see picture).
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