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Please use this identifier to cite or link to this item: http://hdl.handle.net/2289/8471
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dc.contributor.authorMary, K A Ann-
dc.contributor.authorPalakulam, Joyal Jain-
dc.contributor.authorPhilip, Reji-
dc.date.accessioned2025-08-28T04:23:31Z-
dc.date.available2025-08-28T04:23:31Z-
dc.date.issued2025-03-
dc.identifier.citationCarbon, 2025, Vol.234, AR No.119991en_US
dc.identifier.issn0008-6223-
dc.identifier.issn1873-3891 (online)-
dc.identifier.urihttp://hdl.handle.net/2289/8471-
dc.descriptionRestricted Access.en_US
dc.description.abstractAmong carbon family, development of carbon nanosheets through a green and simple method is a great challenge, owing to the ineffective synthetic approaches. Furthermore, though various carbon nanosheets are reported as highly efficient energy storage systems, other than graphitic carbon nitride, 2D carbon structures are seldom fluorescent. Here, C8 structured carbon nanosheets were synthesized from self-assembly of biomass derived carbon quantum dots. Their formation and assembly into non-graphitic crystalline 2D structures were investigated in detail with XRD spectra. While addition of PVP incited the formation of crystalline C8 structure, the presence of urea inhibited their growth. Moreover, the PVP could alter the morphology of nanosheets to nanoparticles with same cubic C8 structure. Both nanosheets and nanoparticles exhibited broad blue fluorescence similar to emission spectra exhibited by carbon quantum dots. The fluorescence intensity of C8 nanoparticles were selectively quenched after addition of Cu2+ ions and with a limit of detection of 103 nM. Phytotoxicity and cytotoxicity study of obtained nanosheets confirmed the potential behaviour of nanosheets for biomedical applications.en_US
dc.language.isoenen_US
dc.publisherCarbonen_US
dc.relation.urihttp://dx.doi.org/10.1016/j.carbon.2025.119991en_US
dc.rights2025 Elsevier Ltd.en_US
dc.subjectCarbon nanosheetsen_US
dc.subjectCubic C8en_US
dc.subject2D carbonen_US
dc.subjectCrystalline carbonen_US
dc.subjectCu2+ sensoren_US
dc.subjectFluorescence sensingen_US
dc.titleSelf-Assembly of carbon quantum dots into C8-structured nanosheetsen_US
dc.typeArticleen_US
Appears in Collections:Research Papers (LAMP)

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