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Carbon dots: surface engineering and applications.

Weijian Liu1, Chun Li, Yanjing Ren

  • 1College of Chemical and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao 266109, P. R. China. jpwang@qau.edu.cn.

Journal of Materials Chemistry. B
|April 9, 2020
PubMed
Summary

Surface engineering enhances carbon dots (CDs) for advanced applications. Functionalization strategies enable precise modification for targeted sensing, drug delivery, and bioimaging.

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Area of Science:

  • Materials Science
  • Nanotechnology
  • Chemical Engineering

Background:

  • Carbon dots (CDs) are recognized for their excellent performance, cost-effective synthesis, and broad applicability.
  • Surface functionalization is crucial for tailoring CDs to meet specific application demands.
  • Modifying the surface chemistry of CDs unlocks their potential in specialized fields.

Purpose of the Study:

  • To review methods for surface engineering of carbon dots.
  • To highlight strategies for conjugating materials onto CDs via various bonding interactions.
  • To explore the application of functionalized CDs in sensing, drug delivery, and bioimaging.

Main Methods:

  • Coating carbon dot surfaces with diverse functional groups.
  • Utilizing covalent bonds, electrostatic interactions, and hydrogen bonds for material conjugation.
  • Investigating functionalized CDs in targeted sensing, drug delivery, and high-resolution bioimaging.

Main Results:

  • Demonstrated effective surface functionalization of carbon dots using various approaches.
  • Successfully conjugated specific materials onto carbon dots through covalent, electrostatic, and hydrogen bonding.
  • Showcased promising results in target-modulated sensing, precise drug delivery, and high-resolution bioimaging.

Conclusions:

  • Surface engineering is a key strategy for advancing carbon dot applications.
  • Tailored functionalization enables precise control over carbon dot properties and performance.
  • Functionalized carbon dots show significant potential in biomedical and sensing fields.