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Adsorption of hydrogen on carbon single-walled nanotubes as measured by the volumetric technique

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dc.contributor.author Parilla, Philip en_US
dc.contributor.author Dillon, Anne en_US
dc.contributor.author Gennett, Thomas en_US
dc.contributor.author Alleman, Jeffrey en_US
dc.contributor.author Jones, Kim en_US
dc.contributor.author Heben, Michael en_US
dc.date.accessioned 2006-07-19T20:05:04Z en_US
dc.date.available 2006-07-19T20:05:04Z en_US
dc.date.issued 2000 en_US
dc.identifier.citation Nanotubes and Related Materials 633 (2000) A14.36.1 en_US
dc.identifier.uri http://hdl.handle.net/1850/2250 en_US
dc.description Article may be found at: http://www.mrs.org/s_mrs/sec_subscribe.asp?CID=2385&DID=137137&action=detail&css=print en_US
dc.description.abstract We report on hydrogen adsorption onto carbon single-walled nanotube (SWNT) material as measured by the volumetric technique. This method determines the amount adsorbed by monitoring the pressure in a known volume at a known temperature with a given number of moles of hydrogen introduced. The raw material for the samples is produced by pulsed laser vaporization of a graphite target containing Ni (0.6 at%) and Co (0.6 at%) dopants. This is followed with a purification procedure and then by a cutting procedure. Finally, the sample is degassed before the hydrogen adsorption is measured. The cutting procedure introduces a titanium alloy which participates in the overall hydrogen adsorption of the SWNT material. Importantly though, the amount of hydrogen adsorbed in the SWNT material cannot be explained by absorption from the alloy alone. A description of the apparatus that has allowed us to measure these samples is given and we discuss crucial experimental procedures needed to activate the SWNT samples for hydrogen adsorption. en_US
dc.format.extent 26759 bytes en_US
dc.format.mimetype application/pdf en_US
dc.language.iso en_US en_US
dc.publisher Materials Research Society Proceedings: Symposium A: Nanotubes and Related Materials en_US
dc.subject Hydrogen adsorption en_US
dc.subject Measurement en_US
dc.subject Single-walled nanotubes en_US
dc.title Adsorption of hydrogen on carbon single-walled nanotubes as measured by the volumetric technique en_US
dc.type Abstract en_US


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