A Review on Perovskite/Silicon Tandem Solar Cells: Current Status and Future Challenges

Jingyu Huang and Lin Mao ()
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Jingyu Huang: School of Materials and Energy, University of Electronic Science and Technology of China, Chengdu 611731, China
Lin Mao: School of Materials and Energy, University of Electronic Science and Technology of China, Chengdu 611731, China

Energies, 2025, vol. 18, issue 16, 1-28

Abstract: Perovskite/Si tandem solar cells (PSTSCs) have emerged as a leading candidate for surpassing the Shockley–Queisser (SQ) efficiency limit inherent to single-junction silicon solar cells. Following their inaugural demonstration in 2015, perovskite/Si tandem solar cells have experienced remarkable technological progression, reaching a certified power conversion efficiency of 34.9% by 2025. To elucidate pathways for realizing the full potential of perovskite/Si tandem solar cells, this review commences with an examination of fundamental operational mechanisms in multi-junction photovoltaic architectures. Subsequent sections systematically analyze technological breakthroughs across three critical PSTSC components organized by an optical path sequence: (1) innovations in perovskite photoactive layers through component engineering, additive optimization, and interfacial modification strategies; (2) developments in charge transport and recombination management via advanced interconnecting layers; and (3) silicon subcell architectures. The review concludes with a critical analysis of persistent challenges in device stability, scalability, structural optimization and fabrication method, proposing strategic research directions to accelerate the transition from laboratory-scale achievements to commercially viable photovoltaic solutions.

Keywords: perovskite/Si tandem solar cells; wide-bandgap perovskite; interconnection layer; silicon solar cells; stability (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2025
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