IPVF and TU Delft reach 31% efficiency on perovskite-silicon tandem solar cell

Researchers from IPVF and TU Delft have achieved 31% efficiency on a 4 cm² two-terminal perovskite-silicon tandem solar cell using nanotextured silicon heterojunction bottom cells and ambient-air slot-die coated perovskite layers.

First covered Jun 18, 2026 · 12:52 AM PT · 1 article · no longer in the live window

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54d PV Magazine IPVF, TU Delft achieve 31% efficiency for 4 cm2 perovskite-silicon tandem solar cell — Researchers from IPVF and TU Delft have achieved 31% efficiency on a 4 cm² two-terminal perovskite-silicon tandem solar cell using nanotextured silicon…

Appeared in: 2026-06-18 (#11)

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