Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 7, Issue 10, Pages 5709-5714Publisher
AMER CHEMICAL SOC
DOI: 10.1021/am507531s
Keywords
hydrogen; surface acoustic; sensing reversible; conductivity
Funding
- NASA [NNX11CI26P]
- NSF [CHE-0923077]
- Army Research Laboratory [W911NF-10-2-009]
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Palladium (Pd) nanoparticles nm) (5-20 nm) are used as the sensing layer on surface acoustic wave (SAW) devices for detecting H-2. The interaction with hydrogen modifies the conductiVity of the Pd nanoparticle film, producing measurable changes in acoustic wave propagation, which allows for the detection of this explosive gas. The nanoparticle-based SAW sensor responds rapidly and reversibly at room temperature.
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