Partially Validated Last updated: January 5, 2026

Perovskite solar cells will degrade at 0.5-1% per year in the space radiation environment

solar-cellsperovskiteradiationdegradation
Original Source

Phase 1 PV Blanket Arrays Consensus Document

Validation History

Literature
60% confidence Jan 5, 2026

Nature Energy review: Space applications of perovskite photovoltaics

Literature suggests wide range of 0.2-2% depending on encapsulation and composition; more in-situ data needed

By: Literature Review Team
Experiment
70% confidence Nov 10, 2025

NREL proton irradiation study on perovskite tandem cells

Ground-based radiation testing shows 0.3-0.8% degradation under equivalent 1-year GEO proton flux; electron damage not yet characterized

By: PV Research Team Source Proton damage well-characterized; electron and combined effects need more testing

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