Abstract
ABSTRACTCarbon dots (CDs) are a kind of zero‐dimensional carbon‐based nanoparticles with superb light‐trapping ability, high optical absorption ability, and superior intrinsic catalytic activity. Due to these advantageous properties, they have received enthusiastic attention from researchers in the field of optical devices. The application of carbon dots in dye‐sensitized solar cells has increased with steady steps recently, especially as a substitute for precious Ru‐sensitizers and Pt counter electrodes. In this review, we classified the application of carbon dots in dye‐sensitized solar cells in recent years and explained the mechanisms of improving the performance of carbon dots. The significant impact of surface functionalization of CDs on the performance of dye‐sensitized solar cells was discussed. Lastly, some challenges and application prospects of carbon dots in the dye‐sensitized solar cell were proposed, which is meaningful for the further exploration and application of carbon dots as a new energy material. © 2019 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2020, 137, 48443.
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