期刊
SMALL
卷 17, 期 40, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/smll.202102091
关键词
batteries; carbon dots; carbon dot-based composites; electrocatalysis; energy storage
类别
资金
- National Natural Science Foundation of China [52074539, 51904342]
- Hunan Provincial Science and Technology Plan [2020JJ3048]
- Science and Technology Innovation Program of Hunan Province [2020RC4005, 2019RS1004]
- Fundamental Research Funds for Central Universities of the Central South University [2020zzts393]
- Innovation Mover Program of Central South University [2020CX007]
Carbon dots (CDs) as new nanomaterials have unique characteristics, and their structure and interface modifications can regulate their properties effectively. By coupling with other materials to construct special interface structures, CDs can enhance their properties for electrical energy storage and conversion, guaranteeing positive and extraordinary effects.
Carbon dots (CDs) as new nanomaterials have attracted much attention in recent years due to their unique characteristics. Notably, structure and interface modification (carbon core, edge, defects, and functional groups) of CDs have been considered as valid methods to regulate their properties, which contain electron transfer effect, electrochemical activity, fluorescence luminescent, and so on. Additionally, CDs with ultrasmall size, excellent dispersibility, high specific surface area, and abundant functional groups can guarantee positive and extraordinary effects in electrical energy storage and conversion. Therefore, CDs are used to couple with other materials by constructing a special interface structure to enhance their properties. Here, diverse structural and interfacial modifications of CDs with various heteroatoms and synergy effects are systematically analyzed. And not only several main syntheses of CDs-based composites (CDs/X) are summarized but also the merit and demerit of CDs/X in electrical energy storage are discussed. Finally, the applications of CDs/X in energy storage devices (supercapacitors, batteries) and electrocatalysts for practical applications are discussed. This review mainly provides a comprehensive summary and future prospect for synthesis, modification, and electrochemical applications of CDs.
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