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  "path": "/articles/d41586-026-01149-9",
  "publishedAt": "2026-04-22T05:48:57.504Z",
  "site": "https://www.nature.com",
  "tags": [
    "doi:10.1038/d41586-026-01149-9"
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  "textContent": "Nature, Published online: 21 April 2026; doi:10.1038/d41586-026-01149-9\n\nA promising solar-cell architecture, in which two layers of perovskite semiconductors are stacked on silicon, is making strides towards achieving its full potential.",
  "title": "Triple-decker solar cells reach efficiency milestone",
  "updatedAt": "2026-04-21T00:00:00.000Z"
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