{"ok":true,"trend":{"id":350678,"platform":"news","region":"global","key":"u.s. team claims stability record for 16.19%-efficient 2d/3d tin perovskite solar cell","title":"U.S. team claims stability record for 16.19%-efficient 2D/3D tin perovskite solar cell","url":"https://news.google.com/rss/articles/CBMiwAFBVV95cUxPTC1FTkxTWHVuNk1IMGM5Q0d2SF9LZW9uT1BkTkVTb3Q2UmNnNnRYaDlfZ0w2M21EUXpXcjNpRi1CTkN1Wk9ST2JmVFJnTWh0ek9SNlZ3N0tQbWxzQ2tCZmlyUGRtOWM2ZkJKTmg5QUl4Nl9EUE51a3Q1VFRSV21ubGNtVjRMaWRIQ0pJLTd1dTRSdzEya3hia0p4ZXlYc0tYMUFrSGxVXzNCMGtQZXlGY0RzNzZHLXhLT2UtQkxZVXE?oc=5","first_seen":"2026-09-29T11:07:57.040474Z","last_seen":"2026-09-29T13:51:55.071456Z","last_rank":26,"peak_rank":15,"last_volume":null,"peak_volume":0,"seen_count":3,"score":28.42,"category_hint":"energy","section":"environment","category":"energy","summary":"A U.S. research team reports a stability record for a 2D/3D tin perovskite solar cell with an efficiency of 16.19%. The cell is lead-free, which matters because tin perovskites are seen as a less toxic alternative to lead-based designs, but they have historically degraded quickly. The claim, covered by pv magazine USA, suggests progress in combining decent efficiency with long-term durability.","why":"Lead-free perovskite solar cells are a hot research topic, and any claimed record in stability is notable for the future of solar energy.","tone":"positive","entities":["pv magazine USA","tin perovskite solar cells"],"summarized_at":"2026-09-29T11:10:02.406288Z","meta":{"via":"scan","lang":"en","term":"solar","source":"pv magazine USA","published":"Tue, 29 Sep 2026 10:11:08 GMT"},"nw":null,"promo":null,"kind":null,"importance":null,"hidden":false,"hide_reason":null,"judged_at":null,"title_en":"US team claims stability record for tin perovskite solar cell","section_name":"Environment","category_name":"Energy","timeline":[{"captured_at":"2026-09-29T11:07:57.040474Z","rank":15,"volume":null},{"captured_at":"2026-09-29T12:29:53.803585Z","rank":21,"volume":null},{"captured_at":"2026-09-29T13:51:55.071456Z","rank":26,"volume":null}],"posts":[{"platform":"news","url":"https://news.google.com/rss/articles/CBMiwAFBVV95cUxPTC1FTkxTWHVuNk1IMGM5Q0d2SF9LZW9uT1BkTkVTb3Q2UmNnNnRYaDlfZ0w2M21EUXpXcjNpRi1CTkN1Wk9ST2JmVFJnTWh0ek9SNlZ3N0tQbWxzQ2tCZmlyUGRtOWM2ZkJKTmg5QUl4Nl9EUE51a3Q1VFRSV21ubGNtVjRMaWRIQ0pJLTd1dTRSdzEya3hia0p4ZXlYc0tYMUFrSGxVXzNCMGtQZXlGY0RzNzZHLXhLT2UtQkxZVXE?oc=5","author":"pv magazine USA","title":"U.S. team claims stability record for 16.19%-efficient 2D/3D tin perovskite solar cell","snippet":null,"posted_at":"2026-09-29T10:11:08Z","likes":null}],"elsewhere":[],"window":"7d"}}