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  "path": "/news2/green/newsid=69297.php",
  "publishedAt": "2026-04-30T18:58:52.000Z",
  "site": "https://www.nanowerk.com",
  "textContent": "A new universal model predicts which hole-collecting monolayers boost perovskite solar cell efficiency, replacing trial-and-error design.",
  "title": "Model unifies competing theories of perovskite solar cell interfaces"
}