Use of Heteroatom-Doped g-C3N4 Particles as Catalysts for Dehydrogenation of Sodium Borohydride in Methanol

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dc.authoridDemirci, Şahin / 0000-0001-7083-1481
dc.authoridŞahiner, Nurettin / 0000-0003-0120-530X
dc.contributor.authorDemirci, Şahin
dc.contributor.authorŞahiner, Nurettin
dc.date.accessioned2025-01-27T20:34:38Z
dc.date.available2025-01-27T20:34:38Z
dc.date.issued2022
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractHere, graphitic carbon nitride (g-C3N4) was synthesized from melamine, doped with heteroatoms, such as B, S, and P reported using boric acid, sulfur, and phosphorous red as dopants, respectively. The catalytic performances of g-C3N4, and heteroatom-doped g-C3N4 (H@g-C3N4 (H=B, S or P) particles as catalysts in the dehydrogenation of sodium borohydride (NaBH4) in methanol to generate hydrogen (H-2) were investigated. The prepared g-C3N4-based structures were used as catalysts for hydrogen (H-2) production in the dehydrogenation reaction of sodium borohydride (NaBH4) in methanol. The catalytic performance of H@g-C3N4 (H=B, S or P) structures in the dehydrogenation reaction of sodium borohydride (NaBH4) in methanol was determined to be higher than the catalytic performance of the bare g-C3N4 structure. The hydrogen generation rate (HGR) values were calculated for the reactions catalyzed by B@g-C3N4, P@g-C3N4, and S@g-C3N4 as 609 +/- 48, 699 +/- 48, and 429 +/- 55 mL H-2/g of cat.min, respectively, which is only 282 +/- 11 mL H-2/g of cat.min for the native g-C3N4-catalyzed one. The activation energies (Ea) were found to be relatively low, such as 31.2, 26.9, and 31.2 kJ/mol, for the reactions catalyzed by B@g-C3N4, P@g-C3N4, and S@g-C3N4, respectively. In addition, in the reuse studies, it was concluded that B@g-C3N4, P@g-C3N4, and S@g-C3N4 catalysts can readily complete the reaction with 100% conversion, even in five consecutive uses, and afforded promising potential with more than 80% activity for each use.
dc.description.sponsorshipScientific Research Commission of Canakkale Onsekiz Mart University; [FBA-2022-4183]
dc.description.sponsorshipThis research received no external funding.
dc.identifier.doi10.3390/c8040053
dc.identifier.issn2311-5629
dc.identifier.issue4
dc.identifier.scopus2-s2.0-85162924736
dc.identifier.scopusqualityQ3
dc.identifier.urihttps://doi.org/10.3390/c8040053
dc.identifier.urihttps://hdl.handle.net/20.500.12428/23399
dc.identifier.volume8
dc.identifier.wosWOS:000900508500001
dc.identifier.wosqualityN/A
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherMdpi
dc.relation.ispartofC-Journal of Carbon Research
dc.relation.publicationcategoryinfo:eu-repo/semantics/openAccess
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_WoS_20250125
dc.subjectcarbon-based catalyst
dc.subjectgraphitic carbon nitride
dc.subjectg-C3N4
dc.subjectcatalyst
dc.subjectH-2 production
dc.subjectNaBH4 methanolysis
dc.titleUse of Heteroatom-Doped g-C3N4 Particles as Catalysts for Dehydrogenation of Sodium Borohydride in Methanol
dc.typeArticle

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