Synthesis of Biomass-Derived Graphene Nanomaterials by Chemical Activation with KOH.

Makpal Seitzhanova, Zhanar Kudyarova, Bibigul Rakhimova, Lyaila Tugelbayeva, Zhandos Tauanov

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Article in International journal of molecular sciences, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 authors.

Makpal SeitzhanovaDepartment of Chemical Physics and Materials Science, Faculty of Chemistry and Chemical Technology, Al-Farabi Kazakh National University, Al-Farabi Ave. 71, Almaty 050059, Kazakhstan.ORCID 0000-0002-2728-4184

Zhanar KudyarovaDepartment of Chemical Physics and Materials Science, Faculty of Chemistry and Chemical Technology, Al-Farabi Kazakh National University, Al-Farabi Ave. 71, Almaty 050059, Kazakhstan.

Bibigul RakhimovaDepartment of Chemistry, Kazakh National Women's Teacher Training University, St. Gogol, 114 k1, Almaty 090000, Kazakhstan.

Lyaila TugelbayevaDepartment of Chemical Physics and Materials Science, Faculty of Chemistry and Chemical Technology, Al-Farabi Kazakh National University, Al-Farabi Ave. 71, Almaty 050059, Kazakhstan.

Zhandos TauanovDepartment of Chemical Physics and Materials Science, Faculty of Chemistry and Chemical Technology, Al-Farabi Kazakh National University, Al-Farabi Ave. 71, Almaty 050059, Kazakhstan.

Funding

Science Committee of the Ministry of Science and Higher Education of the Republic of Kazakh-stan AP19176326

6 · The paper itself

Abstract

This work introduces an environmentally sustainable and cost-effective strategy for synthesizing graphene nanomaterials from agricultural residues-walnut shells and apricot stones. The synthesis pathway combines desilication, controlled pre-carbonization, chemical activation with KOH, and mild exfoliation to produce few-layer graphene with a high degree of structural order. The process, conducted at 523-573 K for pre-carbonization and 1123 K for activation, enables the formation of graphene sheets with a specific surface area of approximately 1300 m

Indexed as

BiomassGraphiteHydroxidesNanostructuresPotassium CompoundsPorositySpectrum Analysis, RamanGraphiteHydroxidesPotassium Compoundspotassium hydroxidebiomasscarbonizationgraphenenanolayernanomaterials

Identifiers

PMID41373416

DOI10.3390/ijms262311255

PMCPMC12692530

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