Optimization of perovskite/carbon interface performance using N-doped coal-based graphene quantum dots and its mechanism analysis

Qixu Hu,Xiaoyu Yang,Ying Qi,Peng Wei,Jian Cheng,Yahong Xie

Journal of Energy Chemistry（2023）

引用 1|浏览20

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摘要

N-GQDs were successfully prepared from coal by a facile and environment-friendly oxidation, and successfully passivated Pb2+ defects. Compared with the pristine cells, the photoelectric conversion efficiency is increased by 20.25%.

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关键词

Carbon-based PSCs,Nitrogen-doped GQDs,Reducing the defect density,Nonradiative recombination

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