Molecular Engineering Strategies for Stable and High-Efficiency Perovskite and Tandem Solar Cells
A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Materials Science".
Deadline for manuscript submissions: 28 February 2026 | Viewed by 127
Special Issue Editor
Interests: materials designing; materials synthesis; perovskite nanocrystals; thin-film deposition; device fabrication; device physics; perovskite solar cells; organic solar cells
Special Issues, Collections and Topics in MDPI journals
Special Issue Information
Dear Colleagues,
Perovskite solar cells have emerged as a transformative photovoltaic technology due to their low fabrication cost, solution or vacuum processability, and remarkable power conversion efficiencies that have now reached 27%, on par with conventional silicon-based devices. However, to unlock their full potential for long-term commercialization, it is increasingly recognized that molecular-level design and engineering play a central role in addressing key challenges such as stability, defect passivation, charge transport, and scalable manufacturing. In particular, molecular passivation strategies, functional additives, self-assembled monolayers, and interfacial dipole layers have proven effective in enhancing device performance and durability.
At the same time, perovskite-based tandem solar cells, including perovskite/silicon and all-perovskite tandems, have already demonstrated power conversion efficiencies above 34%. Here, molecular engineering provides additional opportunities to optimize band alignment, reduce interfacial recombination, and stabilize reduced-dimensional structures, thereby enabling even higher efficiencies. By integrating tailored molecular approaches into material design, interfacial modification, and scalable fabrication, researchers can accelerate progress toward commercially viable, high-performance tandem photovoltaics.
This Special Issue focuses on molecular strategies, material design, fabrication methodologies, and mechanistic studies that drive the advancement of perovskite and perovskite-based tandem devices. Therefore, IJMS welcomes both original research articles and reviews that explore the molecular mechanisms and engineering principles underlying perovskite solar cells and tandem photovoltaics.
Dr. Muhammad Adnan
Guest Editor
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Keywords
- perovskite solar cells
- tandem solar cells
- molecular engineering
- self-assembled monolayers
- molecular passivation
- perovskite/silicon tandems
- all-perovskite tandems
- interface engineering
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