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Functionalized Carbon Nanotubes: Synthesis and Characterization

Sharma, N and Pareek, S and Shrivastava, R and Behera, D (2023) Functionalized Carbon Nanotubes: Synthesis and Characterization. [Book Chapter]

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Official URL: https://doi.org/10.1002/9781119905080.ch2


Numerous nanomaterials have been discovered and applied with the advancement of nanotechnology. Carbon nanotubes (CNTs) are one of them due to their amazing structure and magnificent properties, such as excellent conductivity, effective electrochemical and thermal stability, and great specific surface area. Owing to such features, CNTs have a wide series of medical, environmental, and industrial applications. In this chapter, the different routes of CNT synthesis including chemical vapor deposition (CVD), arc discharge, and laser ablation/Vaporization methods have been critically analyzed for the delivery of the desired application. The selectivity in the application can be modulated with tailored surface functionalization of CNT, which is further divided broadly into three categories. (i) through covalent bonds with a π-conjugated network of CNTs; (ii) through non-covalent bonds, π–π interactions, or ionic bonds, and hydrogen bonds for the attachment of different chemical groups; (iii) Endohedral filling functionalization (Inline filling) of hollow tubes of CNTs. These functionalizations give a deep insight into oxidation and activation, heteroatom doping, sulfonation, halogenation, catalytic chemical vapor deposition (CCVD), non-covalent functionalization, and nano-particle attachment. The presence of functional groups (surface oxides, principally hydroxyl, carboxyl, and carbonyl,) affects the modification of chemical reactivity, solubility, and other physical characteristics of CNTs. Numerous characterization techniques have been employed for the structural elucidation of CNTs such as FT-IR, UV–Vis, Raman, XRD, XPS, HR-TEM, FESEM, SAED, TGA, NMR. VSM, zeta potential DLS, and pH drift.

Item Type: Book Chapter
Publication: Functionalized Carbon Nanotubes for Biomedical Applications
Publisher: wiley
Additional Information: The copyright for this article belongs to wiley.
Keywords: carbon nanotubes; characterization; functionalization; Nanotechnology; synthesis
Department/Centre: Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Date Deposited: 19 May 2023 10:09
Last Modified: 19 May 2023 10:09
URI: https://eprints.iisc.ac.in/id/eprint/81590

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