Journal
ADVANCED MATERIALS INTERFACES
Volume 9, Issue 32, Pages -Publisher
WILEY
DOI: 10.1002/admi.202201292
Keywords
additives; interfacial engineering; ionic liquids; perovskite solar cells
Funding
- National Key R&D Program of China [2018YFB1500105]
- Natural Science Foundation of China [61874167]
- Fundamental Research Funds for Central Universities
- 111 Project [B16027]
- Tianjin International Joint Research and Development Center
- International Cooperation Base [2016D01025]
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This review paper focuses on the application and mechanism of ionic liquids (IL) in the field of perovskite solar cells (PSCs). By summarizing recent research progress, it highlights the potential of IL in improving the stability and efficiency of solar cells and discusses the future research trends of IL.
Organic-inorganic hybrid metal halide perovskite materials, as an emerging semiconductor, have been successfully used in the field of solar cells and currently achieved a record efficiency of 25.7% within a decade, surpassing the mature thin film photovoltaic technologies on the market. To further improve the stability and efficiency of the forthcoming commercialization of perovskite solar cells (PSCs), ionic liquids (IL) have been selectively applied to the field of PSCs due to its excellent properties including designability, thermal stability, and conductivity. In this review, by summarizing recent research progress, the mechanism is discussed as IL serve as precursor solvents, additives, interfacial modification layers, independent electron transport layers, and p-type dopants. Finally, the future research trend of IL has been prospected.
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