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Perovskite/silicon tandem (two-terminal) vs CIGS thin film

RANKED BY INDEPENDENTLY CERTIFIED RESEARCH-CELL EFFICIENCY #4 VS #7 CHECKED 06 SEPT 2026
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Verdict

Perovskite/silicon tandem (two-terminal) ranks #4 of 8 on Independently certified research-cell efficiency (35.5%); CIGS thin film ranks #7 (23.35%).

Rank 04 of 8 · leads
Independently certified research-cell efficiency
35.5%
MakerLONGi
Date2026
Verified04 Sept 2026
Evidence
LONGi: 35.5% two-terminal perovskite/silicon tandem certified by ESTI (JRC) 14 July 2026. Prior NREL-certified figure for the same architecture was 34.85% (Apr 2025). Lab research cell, not a shipping module.
Rank 07 of 8
Independently certified research-cell efficiency
23.35%
MakerSolar Frontier
Date2018
Verified04 Sept 2026
Evidence
NREL chart / Progress in Photovoltaics tables: Cd-free CIGS 23.35% +/- 0.5%, AIST Nov 2018, Solar Frontier.
Try another pair
Source NREL/NLR Best Research-Cell Efficiency Chart, certifying-lab announcements (Fraunhofer ISE, NREL, LONGi/ESTI/ISFH), and Progress in… Last checked 06 Sept 2026
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