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Optical probes based on optical fibers and single-walled carbon nanotubes for hydrogen detection at cryogenic temperatures

TitleOptical probes based on optical fibers and single-walled carbon nanotubes for hydrogen detection at cryogenic temperatures
Publication TypeArticolo su Rivista peer-reviewed
Year of Publication2006
AuthorsCusano, A., Consales M., Cutolo A., Penza Michele, Aversa Patrizia, Giordano M., and Guemes A.
JournalApplied Physics Letters
Volume89
ISSN00036951
KeywordsCarbon nanotubes, Deposition, Fiber optic sensors, Hydrogen, Langmuir Blodgett deposition, Low temperature effects, Optical fibers, Optical probes, Probes, Single walled carbon nanotubes (SWCNTs)
Abstract

In this letter, preliminary results on the feasibility to use optical fiber sensors coated by single-walled carbon nanotubes (SWCNTs)-based sensitive materials for hydrogen detection at cryogenic temperatures are presented. The optical probes have been realized by the Langmuir-Blodgett deposition of close-end and open-end SWCNTs on the distal end of standard optical fibers. The results obtained from hydrogen detection testing, carried out at a temperature as low as 113 K, demonstrate the excellent potentiality of the proposed configuration to sense very low percentages of gaseous hydrogen (<5%), with good recovery and reversibility features as well as fast response times. © 2006 American Institute of Physics.

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URLhttps://www.scopus.com/inward/record.uri?eid=2-s2.0-33751092245&doi=10.1063%2f1.2370292&partnerID=40&md5=9b860cba577a51d39f095e4789e40f05
DOI10.1063/1.2370292
Citation KeyCusano2006