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tandem solar cells

Semitransparent selenium solar cell for applications in tandem devices

The bifacial device showed a power conversion efficiency of 5.2% on the front side through an n-type contact and 2.7% on the rear side through a p-type contact.

Solliance hits 28.7% efficiency on perovskite/silicon tandem solar cell

The Dutch consortium has achieved the record result by combining, in a four-terminal tandem configuration, an 18.6% efficient highly near-infrared transparent perovskite with a prototype of a c-Si interdigitated back contact (IBC) silicon heteroJunction (SHJ) cell developed by Japanese electronics manufacturer Panasonic. The perovskite cell was also combined with other kinds of solar cells and other remarkable record efficiencies were hit.

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Solliance, MiaSolé hit 26.5% efficiency on tandem CIGS/perovskite solar cell

MiaSolé and Solliance have achieved record performance by optimizing the bandgap and the efficiency of both the rigid semi-transparent perovskite top cell and the flexible CIGS bottom cell.

Hybrid tandem perovskite solar cell with 18.04% efficiency

South Korean researchers claim to have developed a PV cell with a higher efficiency rate than any other tandem cell based on perovskite and organic materials.

Bifacial perovskite-silicon tandem cell with 25.2% efficiency

International researchers have developed a silicon heterojunction PV cell with textured surfaces to accommodate the perovskite top cell. They optimized the rear transparent electrode to collect as much albedo as possible and achieved five different perovskite bandgaps by altering the iodide-to-bromide ratio in the perovskites, resulting in a higher open-circuit voltage.

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Gigawatt-scale tandem PV cell output by 2022?

Frank van Mierlo, the CEO of 1366 Technologies, is a betting man. And he’s betting your humble narrator that high-efficiency tandem solar cells are the near-term commercial future of solar.

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How temperature affects tandem solar cell performance

New outdoor tests conducted at Saudi research center King Abdullah University of Science and Technology (KAUST) have shown that an increase in temperature affects the performance of a tandem perovskite/silicon solar cell not only because of voltage losses but also because of current mismatch between the two sub-cells.

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Modular systems to produce perovskite-silicon cells on six-inch wafers

Researchers in Germany are scaling up efforts to bring perovskite-silicon tandem solar cell technology into industrial scale production. The scientists say manufacturing cells of that kind is possible on widely-available six-inch silicon wafers and modular systems are being designed to do so at scale.

Fraunhofer ISE claims 25.9% efficiency for III-V tandem solar cell

The new results mark an improvement on the institute’s previous 24.3% efficiency record. The III-V tandem solar cell is directly grown on silicon.

Tandem solar modules vs commercial crystalline

Researchers in France have tried to predict the competitiveness of tandem PV modules against commercial crystalline products in 2030. Crystalline products will be 22-24% efficient in a decade, according to the researchers, possibly 25% if interdigitated back-contact heterojunction versions become mainstream. To compete, tandem devices will need to offer similar life spans and degradation rates, plus efficiencies of 30%.

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