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Current Nanoscience


ISSN (Print): 1573-4137
ISSN (Online): 1875-6786

Review Article

Carbon Dots Hybrid Nanostructure-based Electrochemical Sensors: Applications in Determining Different Species in a Real Sample

Author(s): Joao A. Ferreira, Luccas L. Name, Laura C. Lieb, Daniel Y. Tiba, Mariana M. da Silva, Aprys C. Oliveira and Thiago C. Canevari*

Volume 20, Issue 1, 2024

Published on: 27 January, 2023

Page: [31 - 46] Pages: 16

DOI: 10.2174/1573413719666221221095901

Price: $65


This overview describes the synthesis, characterization, and application of different carbon dots hybrid nanostructures obtained by chemical interaction between nanomaterials or nanomaterials bonded to another material, i.e. silicon (SiO2/Carbon dots-N), reduced graphene oxide (rGO/Carbon dots), multiwalled carbon nanotubes (MWCNTs/Carbon dots), nano magnetite (Carbon dots/Fe3O4), reduced graphene oxide and gold nanoparticles (rGO/Carbon dots/AuNPs), copper oxide (CuO/Carbon dots), and Carbon dots/Metallic NPs that were employed in the development of electrochemical (bio)sensors. The formation of different carbon dots hybrid nanostructures has been characterized by X-ray diffraction (XRD), Raman and ultraviolet- visible spectroscopy, atomic force microscopy (AFM), high-resolution transmission electron microscopy (HR-TEM), and electrochemical techniques. These carbon dots hybrid nanostructures have been used to modify the surface of glassy carbon and screen-printed electrodes and to determine various analytes, i.e., dopamine, uric acid, paracetamol, ephynefrin, dihydroxybenzenes, pesticides, endocrine disruptors, NADH, and other substances in real samples.

Keywords: Carbon dots, hybrid nanomaterials, electrochemical sensors, real samples, XRD, AFM.

Graphical Abstract
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