Compare · Solar cells
Single-junction GaAs vs CdTe thin film
RANKED BY INDEPENDENTLY CERTIFIED RESEARCH-CELL EFFICIENCY
#5 VS #8
CHECKED 06 SEPT 2026
Side by side
Verdict
Single-junction GaAs ranks #5 of 8 on Independently certified research-cell efficiency (29.1%); CdTe thin film ranks #8 (23.1%).
Rank 05 of 8 · leads
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.Rank 08 of 8
Independently certified research-cell efficiency
23.1%
MakerFirst Solar
Date2024
Verified04 Sept 2026
Evidence
Solar cell efficiency tables (Version 68): CdTe cell 23.1% +/- 0.3%, NREL (5/24), First Solar. Same official-table pipeline as the NREL Best Research-Cell Efficiency Chart. Thin-film class, one-sun.Try another pair
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- Single-junction GaAs vs Crystalline silicon HIBC
- Single-junction GaAs vs CIGS 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