Compare · Solar cells
Perovskite/silicon tandem (two-terminal) vs Single-junction GaAs
RANKED BY INDEPENDENTLY CERTIFIED RESEARCH-CELL EFFICIENCY
#4 VS #5
CHECKED 06 SEPT 2026
Side by side
Verdict
Perovskite/silicon tandem (two-terminal) ranks #4 of 8 on Independently certified research-cell efficiency (35.5%); Single-junction GaAs ranks #5 (29.1%).
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 05 of 8
Independently certified research-cell efficiency
29.1%
MakerAlta Devices
Date2018
Verified04 Sept 2026
Evidence
NREL chart flag for single-junction GaAs: 29.1%, Fraunhofer ISE Oct 2018 (Progress in Photovoltaics tables). One-sun.Try another pair
More Perovskite/silicon tandem (two-terminal) matchups
- Perovskite/silicon tandem (two-terminal) vs 4-junction III-V concentrator
- Perovskite/silicon tandem (two-terminal) vs 6-junction III-V concentrator
- Perovskite/silicon tandem (two-terminal) vs III-V triple-junction (one-sun)
- Perovskite/silicon tandem (two-terminal) vs Crystalline silicon HIBC
- Perovskite/silicon tandem (two-terminal) vs CIGS thin film
- Perovskite/silicon tandem (two-terminal) vs CdTe thin film
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