Document Detail

Palladium-silver mesowires for the extended detection of H2.
MedLine Citation:
PMID:  23206560     Owner:  NLM     Status:  Publisher    
Palladium-silver mesowires are prepared by electrochemical decoration of graphite step-edges with a good control in alloy composition and wire diameter. As prepared arrays are used for hydrogen sensing, demonstrating extended detection capabilities, up to the whole H2 concentration range, depending on the alloy composition. At low silver content, low hydrogen concentration is detected but the sensing window is narrow because of sensor saturation. The sensing window is advantageously extended to higher hydrogen concentrations for quantitative measurements up to pure H2 flows with Ag-rich alloys. The mechanism responsible for these behaviors implies the statistical distribution in surface composition rather than the structural characteristics and the stability domains of the corresponding hydride phases.
Claire Fournier; Khalil Rajoua; Marie-Liesse Doublet; Frédéric Favier
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-12-4
Journal Detail:
Title:  ACS applied materials & interfaces     Volume:  -     ISSN:  1944-8252     ISO Abbreviation:  ACS Appl Mater Interfaces     Publication Date:  2012 Dec 
Date Detail:
Created Date:  2012-12-4     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101504991     Medline TA:  ACS Appl Mater Interfaces     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
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