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Related Experiment Video

Updated: Aug 28, 2025

Author Spotlight: Advancing SERS Technology: Au@Carbon Dot Nanoprobes for Label-Free Analysis and Imaging
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Author Spotlight: Advancing SERS Technology: Au@Carbon Dot Nanoprobes for Label-Free Analysis and Imaging

Published on: June 9, 2023

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Carbon dots: a novel platform for biomedical applications.

Mohammadreza Behi1,2, Leila Gholami3, Sina Naficy1

  • 1School of Chemical and Biomolecular Engineering, The University of Sydney Sydney 2006 Australia mbehi@kth.se.

Nanoscale Advances
|September 22, 2022
PubMed
Summary

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Carbon dots (CDs) offer a non-toxic, cost-effective alternative to quantum dots. This review highlights their preparation, properties, and promising biomedical applications as next-generation quantum emitters.

Area of Science:

  • Nanotechnology
  • Materials Science
  • Biomedical Engineering

Background:

  • Carbon dots (CDs) are emerging 0D nanomaterials with unique optical properties.
  • They present a less toxic and more affordable alternative to traditional semiconductor quantum dots.
  • CDs possess desirable features like photoluminescence, ease of passivation, and simple synthesis.

Purpose of the Study:

  • To review the classification and preparation methods of carbon dots.
  • To explore the unique photoluminescence properties of CDs.
  • To detail the biomedical applications of CDs, positioning them as future quantum emitters.

Main Methods:

  • Literature review of carbon dot synthesis and applications.
  • Classification of carbon dots and their families.

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  • Analysis of preparation methods, focusing on green synthesis from natural sources.

    • Main Results:

    • Carbon dots exhibit tunable photoluminescence suitable for various applications.
    • Environmentally friendly synthesis routes from natural sources are feasible.
    • CDs show significant potential in chemical/bio-sensing, bio-imaging, drug delivery, and catalysis.

    Conclusions:

    • Carbon dots are versatile nanomaterials with significant potential in the biomedical field.
    • Their unique properties and eco-friendly synthesis make them ideal for next-generation quantum emitters.
    • This review addresses a specific niche in carbon dot research, focusing on their biomedical prospects.