Issue 36, 2022

Application of coal-based carbon dots for photocatalysis and energy storage: a minireview

Abstract

Refined deep processing and utilization of high-value-added coal and transforming it into an enviro-friendly product is a pressing requirement to break the bottleneck of coal development. Carbon dots (CDs) are emerging as a new category of carbon nanomaterials that have attracted the attention of a growing group of researchers. A variety of coal-based CDs with different sizes, fluorescence and properties have been designed and constructed employing different rank coals and their derivatives as carbon sources. Due to their adjustable fluorescence emission, abundant surface defects, and electron-transfer efficiency, coal-based CDs have shown excellent and essential prospects in the catalysis and energy storage fields. Herein, this work overviews recent progress in research into coal-based CDs and emphasizes the synthetic methods and properties of CDs produced from different rank coals and coal tar pitch. This work focuses on their roles in boosting the applications of photocatalysis and energy storage. In addition, insights into future research exploration and challenges are presented. It is expected to stimulate researchers to design various efficient coal-based CD composites for photocatalysis and energy storage.

Graphical abstract: Application of coal-based carbon dots for photocatalysis and energy storage: a minireview

Article information

Article type
Perspective
Submitted
20 jun. 2022
Accepted
24 ago. 2022
First published
25 ago. 2022

New J. Chem., 2022,46, 17102-17113

Application of coal-based carbon dots for photocatalysis and energy storage: a minireview

Q. Hou, B. Xing, H. Guo, W. Kang, G. Yi, S. Cheng, C. Zhang and Y. Zhang, New J. Chem., 2022, 46, 17102 DOI: 10.1039/D2NJ03041A

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