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  "path": "/news2/green/newsid=69189.php",
  "publishedAt": "2026-04-20T13:39:46.000Z",
  "site": "https://www.nanowerk.com",
  "textContent": "A joint report tracks the rapid growth of perovskite solar cell research since 2012 and highlights tandem architectures that exceed silicon efficiency ceilings.",
  "title": "Perovskite solar cell research surges as tandem designs beat silicon limits"
}