期刊
SMALL
卷 18, 期 51, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/smll.202205099
关键词
applications; carbon-based nanomaterials; fluorescence; multicolor carbon dots
类别
资金
- National Natural Science Foundation of China [21774098]
- 111 project
This review provides a systematic classification and summary of synthetic methods for multicolor carbon dots (MCDs), as well as their applications in various fields. It highlights the influence of carbon source precursor, reaction conditions, and reaction environment on the multicolor emission characteristics of MCDs.
As a relatively new type of fluorescent carbon-based nanomaterials, multicolor carbon dots (MCDs) have attracted much attention because of their excellent biocompatibility, tunable photoluminescence (PL), high quantum yield, and unique electronic and physicochemical properties. The multicolor emission characteristics of carbon dots (CDs) obviously depend on the carbon source precursor, reaction conditions, and reaction environment, which directly or indirectly determines the multicolor emission characteristics of CDs. Therefore, this review is the first systematic classification and summary of multiple regulation methods of synthetic MCDs and reviews the recent research progress in the synthesis of MCDs from a variety of precursor materials such as aromatic molecules, small organic molecules, and natural biomass, focusing on how different regulation methods produce corresponding MCDs. This review also introduces the innovative applications of MCDs in the fields of biological imaging, light-emitting diodes (LEDs), sensing, and anti-counterfeiting due to their excellent PL properties. It is hoped that by selecting appropriate adjustment methods, this review can inspire and guide the future research on the design of tailored MCDs, and provide corresponding help for the development of multifunctional MCDs.
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