Paramagnetic chlorine functionalized nitrogenated multiwall carbon nanotubes (N-MWCNTs: Cl) in biomedical application.

Tapaswini Chhotaray, Dilip Kumar Mishra, Shivani Das, Sekhar Chandra Ray, W F Pong, André M Strydom

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Article in Scientific reports, 2026. 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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6 authors.

Tapaswini ChhotarayDepartment of Physics, Faculty of Engineering and Technology (ITER), Siksha 'O' Anusandhan Deemed to be University, Bhubaneswar, 751 030, Odisha, India.

Dilip Kumar MishraDepartment of Physics, Faculty of Engineering and Technology (ITER), Siksha 'O' Anusandhan Deemed to be University, Bhubaneswar, 751 030, Odisha, India. dilipmishra@soa.ac.in.

Shivani DasDepartment of Physics, Faculty of Engineering and Technology (ITER), Siksha 'O' Anusandhan Deemed to be University, Bhubaneswar, 751 030, Odisha, India.

Sekhar Chandra RayDepartment of Physics, Faculty of Engineering and Technology (ITER), Siksha 'O' Anusandhan Deemed to be University, Bhubaneswar, 751 030, Odisha, India. sekharchandraray@soa.ac.in.

W F PongDepartment of Physics, Tamkang University, Tamsui 251, Taipei, Taiwan. wfpong@mail.tku.edu.tw.

André M StrydomHighly Correlated Matter Research Group, Department of Physics, University of Johannesburg, PO Box 524, Auckland Park, 2006, South Africa.

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6 · The paper itself

Abstract

Chlorine-functionalized nitrogenated multiwall carbon nanotubes (N-MWCNTs: Cl) were synthesized, and their structural, electronic, and paramagnetic behavior was investigated to explore their potential future paramagnetic biomedical applications. The structural and electronic characteristics were analysed using X-ray diffraction, scanning electron microscopy, transmission electron microscopy, Raman spectroscopy, X-ray photoelectron spectroscopy, X-ray absorption near-edge spectroscopy, and a superconducting quantum interference device magnetometer was employed to study the paramagnetic behavior of N-MWCNTs: Cl. Chlorine functionalization modifies the local structural defects and electronic structure of N-MWCNTs via charge transfer from chloride ions (Cl⁻) to the nanotube framework, thereby increasing charge-carrier density. The formation of various bonds, viz. C-Cl, N-Cl, and C-N, along with the induced sp

Indexed as

M-H curveN-MWCNTs: ClRamanUPSXANESXPS

Identifiers

PMID42486864

DOI10.1038/s41598-026-57098-w

PMCPMC13392046

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