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J. Korean Ceram. Soc. > Volume 58(4); 2021 > Article
Journal of the Korean Ceramic Society 2021;58(4): 399-413.
doi: https://doi.org/10.1007/s43207-021-00117-5
Monolithic all-perovskite tandem solar cells: recent progress and challenges
You Jin Ahn1, Su Geun Ji1, Jin Young Kim1,2,3
1Department of Materials Science and Engineering , Seoul National University , Seoul 08826 , Republic of Korea
2Research Institute of Advanced Materials, Seoul National University , Seoul 08826 , Republic of Korea
3Institute of Engineering Research , Seoul National University , Seoul 08826 , Republic of Korea
Correspondence  Jin Young Kim ,Email: jykim.mse@snu.ac.kr
Received: December 29, 2020; Revised: February 14, 2021   Accepted: February 20, 2021.  Published online: July 31, 2021.
ABSTRACT
All-perovskite tandem solar cells (TSCs) show great potential for achieving effi ciencies beyond the Shockley–Queisser limit owing to their excellent photovoltaic properties and cost eff ectiveness. In this review, the current status of all-perovskite TSCs as well as recent research progress are introduced with a focus on three main strategies: optimization of the interconnecting layer (ICL), suppression of tin oxidation in low-bandgap perovskites, and prevention of halide segregation in wide-bandgap perovskites. The development of triple-junction all-perovskite devices and remaining issues facing all-perovskite TSCs are also discussed.
Key words: Halide perovskite · Tandem solar cells · Low-bandgap · Wide-bandgap · Interconnecting layer
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