期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 61, 期 9, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.202112412
关键词
exchange chemistry; passivation engineering; perovskite solar cells; quantum dots; structure engineering
资金
- NSF NNCI grant at the Texas Nanofabrication Facility [ECCS-2025227]
This Review analyzes the issues and advantages of perovskite quantum dots (QDs) in terms of purification, device fabrication, light absorption, charge transport, and stability. Promising strategies to enhance perovskite QDs and QD-based solar cells are elucidated based on exchange chemistry, passivation engineering, and structure engineering, paving the way for further development in this area.
Perovskite quantum dots (QDs) preserve the attractive properties of perovskite bulk materials and present additional advantages, owing to their quantum confinement effect, leading to their suitability as an absorber in perovskite solar cells. In this Review, the issues and advantages of perovskite QDs are analyzed in the context of purification, device fabrication with perovskite QDs, light absorption, charge transport, and stability. In addition, promising strategies to enhance perovskite QDs and QD-based solar cells are elucidated based on exchange chemistry (ion and ligand exchange), passivation engineering (ion and ligand passivation), and structure engineering (conventional/inverted, planar/mesoscopic and dimensionally graded structures). These discussions will give a clue to the further development of perovskite QDs and thus the advancement of QD-based solar cells.
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