perovskite-silicon tandem cells

A research group at the Indian Institute of Technology Roorkee has fabricated 4-terminal silicon-perovskite tandem solar cells with power conversion efficiency of 28%. The team is now scaling up this technology to match 18.2 cm x 18.2 cm, commercial M10 solar cells dimension.

The Saudi research institute said its new four-terminal tandem device has achieved the highest efficiency ever reported for perovskite-based 4-T and triple-junction tandem solar cells to date. The key feature of the cell is the hole transport layer of the top perovskite cell, which was engineered with self-assembled monolayers.

The European Solar Test Installation (ESTI) has confirmed Longi’s achievement of a world record-breaking efficiency rating of 34.6% for a perovskite-silicon tandem solar cell.

CEA-INES researchers and Enel have developed a new solar cell with an active area of 9 cm² and an open-circuit voltage above 1,900 mV. Their results improve on the 27.1% efficiency they achieved for the same kind of cell in June.

Researchers at Germany’s Fraunhofer ISE have provided guidelines for future research on perovskite-silicon tandem solar cells by identifying the most significant loss mechanisms at the perovskite/ETL interface, in the series resistance, and in light management.

Voltec and the Institut Photovoltaïque d’Île-de-France (IPVF) plan to set up a pilot line for their new tandem panel tech in 2023 and their first 200 MW industrial demonstrator in 2025. They also plan to increase the factory’s capacity to 1 GW in 2027 and 5 GW by 2030.

A group of international researchers has developed a new perovskite-silicon solar cell design using a top perovskite PV device with an energy bandgap of 1.67 eV and a new self-assembly monolayer based on carbazole. The tandem cell achieved a higher efficiency compared to counterparts without the monolayer and passed the IEC 61215 standard thermal cycling test.

The US Department of Energy’s National Renewable Energy Laboratory (NREL) has confirmed Longi’s achievement of a world record-breaking efficiency rating of 33.9% for a perovskite-silicon tandem solar cell.

US scientists have achieved a breakthrough in PV cell tech by creating a 24 cm2 perovskite-silicon tandem solar cell. It positions a lithium fluoride interlayer between a hole transport layer and the perovskite absorber to reduce shunting losses.

The Fraunhofer ISE has developed an electro-optically optimized transparent conductive oxide layer that can reportedly improve the efficiency of perovskite-silicon tandem solar cells. A device built with the film achieved remarkable efficiency and fill factor.