Emerging carbon-based quantum dots for sustainable photocatalysis

Carbon-based quantum dots (QDs), as a new type of zero-dimensional (0D) inorganic material, are favored by researchers because of their superior optical properties, good water solubility, and biocompatibility. Besides graphene QDs (GQDs), many new carbon-based QD materials with good quality and exce...

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Bibliographic Details
Published in:Green chemistry : an international journal and green chemistry resource : GC 2023-01, Vol.25 (1), p.32-58
Main Authors: Wang, Jiamei, Jiang, Jizhou, Li, Fangyi, Zou, Jing, Xiang, Kun, Wang, Haitao, Li, Youji, Li, Xin
Format: Article
Language:English
Subjects:
Activated carbon
Biocompatibility
Carbon
Carbon nitride
Fabrication
Graphene
Green chemistry
Materials science
Optical properties
Photocatalysis
Quantum dots
Reviews
Sustainability
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Summary:Carbon-based quantum dots (QDs), as a new type of zero-dimensional (0D) inorganic material, are favored by researchers because of their superior optical properties, good water solubility, and biocompatibility. Besides graphene QDs (GQDs), many new carbon-based QD materials with good quality and excellent performance have emerged in recent years, such as g-C 3 N 4 QDs (CNQDs), MXene QDs (MQDs), and graphdiyne QDs (GDQDs). These carbon-based QDs will open up unprecedented new opportunities in the fields of materials science, energy and environmental photocatalysis. Regrettably, a comprehensive review of the relevant topics is lacking. This review focuses on the applications of emerging carbon-based QD materials in sustainable photocatalysis. Herein, the structural characteristics of carbon-based QDs are first depicted. On this basis, the preparation, modification, and photocatalytic mechanism of high-quality carbon-based QDs are comprehensively summarized. Subsequently, the latest research progress on typical carbon-based QDs in the field of sustainable photocatalysis is discussed categorically. Finally, the future developments and challenges of highly active carbon-based QDs are proposed insightfully. This review is expected to provide powerful scientific guidance for the design, fabrication, and application of carbon-based QD materials. This review focuses on the applications of emerging carbon-based QD materials ( i.e. , GQDs, CNQDs, MQDs, and GDQDs) in sustainable photocatalysis.
ISSN:1463-9262
1463-9270
DOI:10.1039/d2gc03160d