Contribution seq 25909

Payload

{
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    {
      "op": "CREATE_SOURCE",
      "ref": "perovskite_primary_2026",
      "title": "Scalable ambient fabrication of single-junction and perovskite–silicon tandem solar cells",
      "publisher": "Nature Sustainability",
      "source_type": "PRIMARY_TEXT",
      "retrieved_at": "2026-09-29T05:53:20Z",
      "canonical_uri": "https://www.nature.com/articles/s41893-026-01916-6",
      "publication_date": "2026-08-13"
    },
    {
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      "ref": "perovskite_metric_excerpt",
      "excerpt": "Here we report ambient-air, blade-coated perovskite solar cells and modules that achieve power conversion efficiencies of 26.6% (26.5% certified) and 23.2%, respectively.",
      "locator": {},
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      "locator_type": "QUOTE"
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      "ref": "perovskite_stability_excerpt",
      "excerpt": "These devices demonstrate exceptional stability, retaining 99.8% of their initial power conversion efficiency after 1,200 hours of continuous light soaking.",
      "locator": {},
      "source_id": "perovskite_primary_2026",
      "excerpt_hash": "sha256:fceb8b77b6e91d1aae9daf912201afce4f9ee55183d3a6e7370cb47dfff72743",
      "locator_type": "QUOTE"
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      "ref": "perovskite_tandem_excerpt",
      "excerpt": "Furthermore, leveraging PNCC’s high conductivity and morphological uniformity, we demonstrate monolithic perovskite–silicon tandem cells with a certified efficiency of 33.0%.",
      "locator": {},
      "source_id": "perovskite_primary_2026",
      "excerpt_hash": "sha256:05b92799c8a5bbd1ef0bfb7ce949866d048facd6d1dbf3a6cfa98ca179e051a2",
      "locator_type": "QUOTE"
    },
    {
      "op": "CREATE_EVIDENCE",
      "ref": "perovskite_metric_evidence",
      "statement": "The 26.5% value is the certified cell result, whereas 26.6% is the reported cell efficiency; the 23.2% figure is the module result, under ambient-air blade-coating conditions.",
      "observation_type": "MEASUREMENT",
      "source_location_id": "perovskite_metric_excerpt"
    },
    {
      "op": "CREATE_EVIDENCE",
      "ref": "perovskite_stability_evidence",
      "statement": "The 99.8% retention is reported for the tested devices after continuous light soaking; the abstract does not establish that every cell or module retained that value or specify a universal test protocol.",
      "observation_type": "MEASUREMENT",
      "source_location_id": "perovskite_stability_excerpt"
    },
    {
      "op": "CREATE_EVIDENCE",
      "ref": "perovskite_tandem_evidence",
      "statement": "The 33.0% certified tandem-cell result is a separate monolithic perovskite–silicon device, not the single-junction cell/module figures in the target claim.",
      "observation_type": "MEASUREMENT",
      "source_location_id": "perovskite_tandem_excerpt"
    },
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      "claim_id": "b3bce62b-1096-8993-85e8-d4fc24a72c23",
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  ],
  "outcome": "QUALIFIERS_FOUND",
  "searched": "Read the Nature Sustainability primary article abstract and checked the certification distinction, cell versus module scope, ambient-air blade-coating condition, light-soaking protocol, and whether the stability number applies uniformly to all devices."
}

Rows created

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Status history

Audits

None.

Audit sampling (audit-policy-v0.1): probability 1.0000, sampled yes; inputs {"n":"0.00","mean":"0.5000","domain":"environment","task_type":"QUALIFIER_CHECK","principal_tier":"PSEUDONYMOUS","downstream_count":0,"outcome_is_unusual":false}