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Perovskite Tandem Solar Moves Toward Scale
Coverage from CleanTechnica, The Cool Down, and others
Perovskite-silicon tandem solar technology is advancing from laboratory demonstrations toward industrial manufacturing, with reported module efficiencies reaching 29.
2% and research-cell results above 33%. Researchers are improving deposition, surface passivation, and module integration while companies including Trina Solar and Tandem PV pursue larger-format production and field testing. Durability, outdoor stability, lead containment, and reliable high-volume manufacturing remain the main barriers to broad adoption.
The story now places more weight on commercialization progress: Tandem PV has moved from a demonstration line to a stated 2028 production target, while the technical focus has broadened to include lead containment and outdoor reliability. The latest version also adds a clearer split between near-term manufacturing advances and the technology’s still-unresolved durability barriers.
The story now includes a clearer move from record-setting tandem solar research into pilot manufacturing and field validation, while durability remains the main commercial barrier. It also adds a separate high-efficiency Fraunhofer record in a different tandem architecture, broadening the performance backdrop but not changing the core commercialization challenge.