KAUST claims perovskite/silicon tandem solar cell efficiency of 33.7%



The European Solar Test Installation (ESTI) has confirmed the results of King Abdullah University of Science and Technology’s (KAUST) new perovskite/silicon tandem solar cell. The 1 cm2 device also achieved a breakdown voltage of 1.974 V, a short-circuit current density of 20.99 mA/cm2, and a fill factor of 81.3%.

“After two months, we’ve set a new world record for perovskite/silicon tandem solar cells – again! With our latest update, our perovskite/silicon tandem solar cells have achieved an impressive 33.7% certified power conversion efficiency, surpassing the previous milestone of 33.2% .We hope that our new achievement will accelerate the transition to green energy,” he said.

European Solar Test Facility (PREVENTED) has confirmed the result.

The 1 cm2 cell also achieved an open circuit voltage of 1.974 V, a short circuit current density of 20.99 mA/cm2, and a fill factor of 81.3%.

A research group that achieved a new efficiency result. From left to right: Erkan Aydin, Thomas G. Allen, Esma Ugur, Stefaan De Wolf

Photo: KAUST

KAUST announced in January 28.1% power conversion efficiency for a perovskite-silicon tandem solar cell based on textured silicon wafers. In August 2022, it claimed 26.2 percent efficiency for a monolithic perovskite-silicon tandem solar cell.

In December 2021, KAUST researchers reached power conversion efficiency of 28.2% for a tandem solar cell with an area of ​​about 1 cm2 based on a nip perovskite stacked on top of a silicon heterojunction.

The same research group recently announced an inverted perovskite-silicon tandem solar cell with a 1 nm magnesium fluoride (MgFx)-based interlayer sandwiched between the perovskite layer and the hole transport layer (HTL) to reduce voltage drop.

David is a passionate writer and researcher who specializes in solar energy. He has a strong background in engineering and environmental science, which gives him a deep understanding of the science behind solar power and its benefits. David writes about the latest developments in solar technology and provides practical advice for homeowners and businesses who are interested in switching to solar.

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