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  "path": "/news2/green/newsid=69364.php",
  "publishedAt": "2026-05-09T21:10:09.000Z",
  "site": "https://www.nanowerk.com",
  "textContent": "A photoisomeric molecule called BTTM anchors ions in perovskite solar cells, improving UV stability and raising efficiency from 22.07% to 24.71%.",
  "title": "A dynamic molecular sunscreen for perovskite solar cells"
}