A review on carbon quantum dots: Synthesis, photoluminescence mechanisms and applications

Likang Zhang; Xue Yang; Zhifu Yin; Linlin Sun

doi:10.1002/bio.4351

journal article Aug 16, 2022

A review on carbon quantum dots: Synthesis, photoluminescence mechanisms and applications

Likang Zhang

Xue Yang

Zhifu Yin

Linlin Sun

Luminescence Vol. 37 No. 10 pp. 1612-1638 · Wiley

View at Publisher Save 10.1002/bio.4351

Abstract

AbstractCarbon quantum dots (CQDs), having outstanding biocompatibility, attractive catalytic performance, excellent optical properties, and valuable environment friendliness, are emerging as a new paradigm to design luminescent devices and show great potential in application fields such as biomedical sensors, optical and photonic devices. Furthermore, CQDs are known as one of the most promising carbon‐based nanomaterials in the 21st century. Therefore, they have attracted a lot of attention since they were first discovered in 2004. In this review, we explain the accepted photoluminescence mechanism of CQDs, including fluorescence and phosphorescence. There are two main types of synthesis strategies: top‐down approach and bottom‐up approach. At the same time, the main application fields, including ion detection, anti‐counterfeiting, biological imaging, food safety, sensors, lubrication additives, are reviewed. Finally, the existing bottlenecks, pending problems and prospects for the future of CQDs are discussed.

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Metrics

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Citations

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References

Details

Published: Aug 16, 2022
Vol/Issue: 37(10)
Pages: 1612-1638
License: View

Authors

L

Likang Zhang

School of Mechanical and Aerospace Engineering Jilin University Changchun China

X

Xue Yang

School of Mechanical and Aerospace Engineering Jilin University Changchun China

Z

Zhifu Yin

School of Mechanical and Aerospace Engineering Jilin University Changchun China; State Key Laboratory of Luminescent Materials and Devices South China University of Technology Guangzhou China

L

Linlin Sun

School of Mechanical and Aerospace Engineering Jilin University Changchun China

Funding

State Key Laboratory of Luminescent Materials and Devices

Cite This Article

Likang Zhang, Xue Yang, Zhifu Yin, et al. (2022). A review on carbon quantum dots: Synthesis, photoluminescence mechanisms and applications. Luminescence, 37(10), 1612-1638. https://doi.org/10.1002/bio.4351

A review on carbon quantum dots: Synthesis, photoluminescence mechanisms and applications

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