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  "path": "/news/2026-03-flip-metal-complexes-path-solar.html",
  "publishedAt": "2026-03-25T10:00:10.000Z",
  "site": "https://techxplore.com",
  "tags": [
    "Energy & Green Tech"
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  "textContent": "In the fight against climate change, solar power is a promising alternative to fossil fuels. Every second, Earth receives an enormous amount of energy from the sun. Yet solar cells capture only a fraction of it, constrained by a \"physical ceiling\" that seemed impossible to break.",
  "title": "'Spin-flip' in metal complexes opens a path beyond solar cell efficiency limits"
}