Nitrogen adsorption on graphene sponges synthesized by annealing a mixture of nickel and carbon powders

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dc.contributor.authorGrehov, V.
dc.contributor.authorKalnacs, J.
dc.contributor.authorMishnev, A.
dc.contributor.authorKundzins, Karlis
dc.date.accessioned2020-07-10T06:34:36Z
dc.date.available2020-07-10T06:34:36Z
dc.date.issued2017
dc.descriptionThe present research has been supported by the National Research Programme for 2014–2017 “Multifunctional Materials and Composites, Photonics and Nanotechnologies”.en_US
dc.description.abstractAdsorption by graphene sponge (GS) manufactured by annealing nickel-carbon powder mixture in inert atmosphere has been studied. By determining the specific surface area (SSA) for the GS sample, it has been found that Brunauer, Emmett, Teller method (BET) of approximation of experimental isotherms gives wrong results in the pressure range of 0.025-0.12 because adsorption in this pressure region is affected by walls of ampoule. Real SSA value has been found by subtracting pore effect method (SPE) or by BET approximation in a low range of relative pressure of 0.0004-0.002.en_US
dc.description.sponsorshipInstitute of Solid State Physics, University of Latvia as the Center of Excellence has received funding from the European Union’s Horizon 2020 Framework Programme H2020-WIDESPREAD-01-2016-2017-TeamingPhase2 under grant agreement No. 739508, project CAMART²en_US
dc.identifier.doi10.1515/lpts-2017-0025
dc.identifier.issn0868-8257
dc.identifier.urihttps://dspace.lu.lv/dspace/handle/7/52367
dc.identifier.urihttps://content.sciendo.com/view/journals/lpts/54/4/article-p36.xml
dc.language.isoengen_US
dc.publisherDe Gruyter Open Ltden_US
dc.relationinfo:eu-repo/grantAgreement/EC/H2020/739508/EU/Centre of Advanced Material Research and Technology Transfer/CAMART²en_US
dc.relation.ispartofseriesLatvian Journal of Physics and Technical Sciences;54 (4)
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectgraphene spongeen_US
dc.subjectnitrogen adsorptionen_US
dc.subjectspecific surface areaen_US
dc.subjectBET approximationen_US
dc.subjectResearch Subject Categories::NATURAL SCIENCES:Physicsen_US
dc.titleNitrogen adsorption on graphene sponges synthesized by annealing a mixture of nickel and carbon powdersen_US
dc.typeinfo:eu-repo/semantics/articleen_US
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