Passivation Strategies through Surface Reconstruction toward Highly Efficient and Stable Perovskite Solar Cells on n-i-p Architecture

Perovskite solar cells have achieved remarkable enhancement in their performance in recent years. However, to get an entrance to the photovoltaic market, great effort is still necessary to further improve their efficiency as well as their long-term stability under various conditions. Among various t...

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Bibliographic Details
Published in:Energies (Basel) 2021-08, Vol.14 (16), p.4836
Main Authors: Suo, Jiajia, Yang, Bowen, Hagfeldt, Anders
Format: Article
Language:English
Subjects:
Defects
Efficiency
Engineering
Grain boundaries
Humidity
Interfaces
Iodine
Morphology
passivation
Passivity
perovskite solar cells
Perovskites
Photovoltaics
Radiative recombination
Recombination
Scanning electron microscopy
Self-assembled monolayers
Self-assembly
Solar cells
surface reconstruction
Synergistic effect
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Summary:Perovskite solar cells have achieved remarkable enhancement in their performance in recent years. However, to get an entrance to the photovoltaic market, great effort is still necessary to further improve their efficiency as well as their long-term stability under various conditions. Among various types of approaches (including compositional engineering, dopant engineering, self-assembled monolayers (SAMs), et al.), interfacial engineering through passivation treatment has been considered as one of the most effective strategies to reduce the non-radiative recombination within the PSCs. Thus, this short review summaries recent efforts on chemical interfacial passivation strategies from a different perspective owing to their common phenomena of reconstructing the perovskite surface via the formation of three-dimensional perovskite, low-dimensional perovskite and synergistic effect provided by a mixed-salt passivation system, respectively.
ISSN:1996-1073
1996-1073
DOI:10.3390/en14164836