Issue 2, 2022

Carbon dots: a novel platform for biomedical applications

Abstract

Carbon dots (CDs) are a recently synthesised class of carbon-based nanostructures known as zero-dimensional (0D) nanomaterials, which have drawn a great deal of attention owing to their distinctive features, which encompass optical properties (e.g., photoluminescence), ease of passivation, low cost, simple synthetic route, accessibility of precursors and other properties. These newly synthesised nano-sized materials can replace traditional semiconductor quantum dots, which exhibit significant toxicity drawbacks and higher cost. It is demonstrated that their involvement in diverse areas of chemical and bio-sensing, bio-imaging, drug delivery, photocatalysis, electrocatalysis and light-emitting devices consider them as flawless and potential candidates for biomedical application. In this review, we provide a classification of CDs within their extended families, an overview of the different methods of CDs preparation, especially from natural sources, i.e., environmentally friendly and their unique photoluminescence properties, thoroughly describing the peculiar aspects of their applications in the biomedical field, where we think they will thrive as the next generation of quantum emitters. We believe that this review covers a niche that was not reviewed by other similar publications.

Graphical abstract: Carbon dots: a novel platform for biomedical applications

Article information

Article type
Review Article
Submitted
19 Jūl. 2021
Accepted
09 Nov. 2021
First published
13 Dec. 2021
This article is Open Access
Creative Commons BY-NC license

Nanoscale Adv., 2022,4, 353-376

Carbon dots: a novel platform for biomedical applications

M. Behi, L. Gholami, S. Naficy, S. Palomba and F. Dehghani, Nanoscale Adv., 2022, 4, 353 DOI: 10.1039/D1NA00559F

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