Perovskite-based tandem solar cells

The power conversion efficiency for single-junction solar cells is limited by the Shockley-Quiesser limit. An effective approach to realize high efficiency is to develop multi-junction cells. These years have witnessed the rapid development of organic-inorganic perovskite solar cells. The excellent optoelectronic properties and tunable bandgaps of perovskite materials make them potential candidates for developing tandem solar cells, by combining with silicon, Cu(In,Ga)Se-2 and organic solar cells. In this review, we present the recent progress of perovskite-based tandem solar cells, including perovskite/silicon, perovskite/perovskite, perovskite/Cu(In,Ga)Se-2, and perovskite/organic cells. Finally, the challenges and opportunities for perovskite-based tandem solar cells are discussed. (C) 2020 Science China Press. Published by Elsevier B.V. and Science China Press. All rights reserved.

Automated summary

Perovskite-based tandem solar cells have shown rapid progress in recent years, with their excellent optoelectronic properties and tunable bandgaps making them potential candidates for developing high-efficiency solar cells. These tandem cells can be combined with silicon, Cu(In,Ga)Se-2, and organic cells. However, the field also faces challenges and opportunities for further improvement and innovation.