# 60% Performance Loss: TUM Team Identifies the Culprit

- slug: 60-performance-loss-tum-team-identifies-the-culprit
- date: 2026-03-28
- category: Space & Aerospace

Wide-bandgap perovskite solar cells lose up to 60 percent of their performance in the first few minutes of thermal cycling — a figure researchers at the Technical University of Munich (TUM) have now pinned down precisely, and think they can fix with a molecular anchor.

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