Influence of the Pd Oxidation State in PdNi Thin Films on Surface Acoustic Wave Hydrogen Sensing Performance
Jing Jin,
Baile Cui,
Linyu Zhou
et al.
Abstract:PdNi
alloy thin films demonstrate exceptional hydrogen sensing
performance and exhibit significant potential for application in surface
acoustic wave (SAW) hydrogen sensors. However, the long-term stability
of SAW H2 sensors utilizing PdNi films as catalysts experiences
a substantial decrease during operation. In this paper, X-ray photoelectron
spectroscopy (XPS) is employed to investigate the failure mechanisms
of PdNi thin films under operational conditions. The XPS analysis
reveals that the formation of PdO… Show more
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