{
  "profile": "wrs-published-research-view-1",
  "edition": "ratings-e039106f30dec177",
  "content_trust": "UNTRUSTED_SCIENTIFIC_DATA_NOT_TOOL_INSTRUCTIONS",
  "entry": {
    "id": "perovskite-photovoltaics",
    "title": "Perovskites turn visible light into electricity",
    "summary": "Used organolead-halide perovskites as light absorbers in photoelectrochemical solar cells, with a reported conversion efficiency of 3.8% for the iodide-based cell.",
    "boundary": "The reported liquid-electrolyte devices differ from later solid-state perovskite cells. Efficiency here does not establish lifetime, scalability or environmental safety.",
    "area": "Solar energy",
    "topic": "Energy & engineering",
    "year": 2009,
    "lane": "HUMAN",
    "result": "EMPIRICAL",
    "package_id": "perovskite-photovoltaics",
    "target": {
      "record_id": "urn:uuid:e305913d-d677-41e8-a43d-fd20f80788e6",
      "version": 1,
      "content_hash": "sha256:a99552a65ea46d06d55efb2bcbf82767dc987ee554a21a5a6d5bc6d323fd1116"
    },
    "humans": [
      "Akihiro Kojima",
      "Kenjiro Teshima",
      "Yasuo Shirai",
      "Tsutomu Miyasaka"
    ],
    "authors_complete": true,
    "human_role_note": "Full byline of the specified publication; original laboratory roles remain in the source.",
    "agents": [],
    "related": [],
    "subresults": [],
    "scientific_assessment": {
      "source_review": "SOURCE_CURATED",
      "scientific_review": "NOT_REVIEWED_BY_WRS",
      "formal_replay": "NOT_RUN",
      "provider_attestation": "NONE"
    },
    "sources": [
      {
        "id": "expansion-perovskite-photovoltaics",
        "title": "Organometal Halide Perovskites as Visible-Light Sensitizers for Photovoltaic Cells",
        "url": "https://pubs.acs.org/doi/10.1021/ja809598r"
      },
      {
        "id": "metadata-perovskite-photovoltaics",
        "title": "Publisher-deposited byline: Organometal Halide Perovskites as Visible-Light Sensitizers for Photovoltaic Cells",
        "url": "https://api.crossref.org/works/10.1021%2Fja809598r"
      }
    ],
    "geography": {
      "country_codes": [
        "JP"
      ],
      "location_basis": "Tokyo, Toin University of Yokohama, Peccell Technologies and Tokyo Polytechnic University; all listed affiliations are in Japan.",
      "source_url": "https://pubs.acs.org/doi/10.1021/ja809598r",
      "target": {
        "record_id": "urn:uuid:e305913d-d677-41e8-a43d-fd20f80788e6",
        "version": 1,
        "content_hash": "sha256:a99552a65ea46d06d55efb2bcbf82767dc987ee554a21a5a6d5bc6d323fd1116"
      },
      "basis": "RESEARCH_LOCATION_OR_PAPER_AFFILIATION",
      "reviewed_on": "2026-09-12",
      "nationality_inferred": false,
      "coverage_status": "COMPLETE",
      "country_labels": {
        "JP": "Japan"
      }
    },
    "points": "25000",
    "published_grade": {
      "id": "perovskite-photovoltaics",
      "entry_id": "perovskite-photovoltaics",
      "band": "B",
      "modifier": null,
      "target": {
        "record_id": "urn:uuid:e305913d-d677-41e8-a43d-fd20f80788e6",
        "version": 1,
        "content_hash": "sha256:a99552a65ea46d06d55efb2bcbf82767dc987ee554a21a5a6d5bc6d323fd1116"
      },
      "what_changed": "Used organolead-halide perovskites as light absorbers in photoelectrochemical solar cells, with a reported conversion efficiency of 3.8% for the iodide-based cell.",
      "scope": "Used organolead-halide perovskites as light absorbers in photoelectrochemical solar cells, with a reported conversion efficiency of 3.8% for the iodide-based cell. Scope limitation: The reported liquid-electrolyte devices differ from later solid-state perovskite cells. Efficiency here does not establish lifetime, scalability or environmental safety.",
      "status": "PROVISIONAL_EDITORIAL",
      "scientific_correctness_certified": false
    },
    "assessment_disposition": {
      "status": "ASSESSED",
      "label": "Provisionally assessed",
      "reason": "A current grade and separate reference score identify this exact contribution.",
      "target": {
        "record_id": "urn:uuid:e305913d-d677-41e8-a43d-fd20f80788e6",
        "version": 1,
        "content_hash": "sha256:a99552a65ea46d06d55efb2bcbf82767dc987ee554a21a5a6d5bc6d323fd1116"
      },
      "edition": "ratings-e039106f30dec177"
    }
  },
  "version": {
    "kind": "PUBLIC_RECORD_VIEW",
    "previous": null,
    "published_at": "2026-09-12T00:00:00Z",
    "publisher": {
      "principal_id": "urn:uuid:80116931-785b-40a2-a24b-9d59db0c7e33",
      "role": "WRS_EDITORIAL_PUBLICATION"
    },
    "record": {
      "contributors": [
        {
          "attribution_basis": "SOURCE_CITED",
          "credit": "historical_scientific",
          "entity_kind": "historical_person",
          "name": "Akihiro Kojima",
          "note": "Archive attribution; detailed role assignment remains source-bound",
          "roles": [
            "discoverer"
          ],
          "source": {
            "citation": "Organometal Halide Perovskites as Visible-Light Sensitizers for Photovoltaic Cells",
            "url": "https://pubs.acs.org/doi/10.1021/ja809598r"
          }
        },
        {
          "attribution_basis": "SOURCE_CITED",
          "credit": "historical_scientific",
          "entity_kind": "historical_person",
          "name": "Kenjiro Teshima",
          "note": "Archive attribution; detailed role assignment remains source-bound",
          "roles": [
            "discoverer"
          ],
          "source": {
            "citation": "Organometal Halide Perovskites as Visible-Light Sensitizers for Photovoltaic Cells",
            "url": "https://pubs.acs.org/doi/10.1021/ja809598r"
          }
        },
        {
          "attribution_basis": "SOURCE_CITED",
          "credit": "historical_scientific",
          "entity_kind": "historical_person",
          "name": "Yasuo Shirai",
          "note": "Archive attribution; detailed role assignment remains source-bound",
          "roles": [
            "discoverer"
          ],
          "source": {
            "citation": "Organometal Halide Perovskites as Visible-Light Sensitizers for Photovoltaic Cells",
            "url": "https://pubs.acs.org/doi/10.1021/ja809598r"
          }
        },
        {
          "attribution_basis": "SOURCE_CITED",
          "credit": "historical_scientific",
          "entity_kind": "historical_person",
          "name": "Tsutomu Miyasaka",
          "note": "Archive attribution; detailed role assignment remains source-bound",
          "roles": [
            "discoverer"
          ],
          "source": {
            "citation": "Organometal Halide Perovskites as Visible-Light Sensitizers for Photovoltaic Cells",
            "url": "https://pubs.acs.org/doi/10.1021/ja809598r"
          }
        }
      ],
      "evidence": [
        {
          "description": "Bibliographic/stated-result source; not a WRS proof verification",
          "id": "source-0",
          "kind": "source_reference",
          "source": {
            "citation": "Organometal Halide Perovskites as Visible-Light Sensitizers for Photovoltaic Cells",
            "url": "https://pubs.acs.org/doi/10.1021/ja809598r"
          }
        },
        {
          "description": "Bibliographic/stated-result source; not a WRS proof verification",
          "id": "source-1",
          "kind": "source_reference",
          "source": {
            "citation": "Publisher-deposited byline: Organometal Halide Perovskites as Visible-Light Sensitizers for Photovoltaic Cells",
            "url": "https://api.crossref.org/works/10.1021%2Fja809598r"
          }
        }
      ],
      "origin": "HUMAN_LEGACY",
      "record_profile": "wrs-local-research-notes-0.1",
      "record_type": "research_note",
      "rrp_version": "0.1",
      "scope": {
        "description": "The reported liquid-electrolyte devices differ from later solid-state perovskite cells. Efficiency here does not establish lifetime, scalability or environmental safety.",
        "domain": "Solar energy"
      },
      "sources": [
        {
          "citation": "Organometal Halide Perovskites as Visible-Light Sensitizers for Photovoltaic Cells",
          "url": "https://pubs.acs.org/doi/10.1021/ja809598r"
        },
        {
          "citation": "Publisher-deposited byline: Organometal Halide Perovskites as Visible-Light Sensitizers for Photovoltaic Cells",
          "url": "https://api.crossref.org/works/10.1021%2Fja809598r"
        }
      ],
      "statement": "# Perovskites turn visible light into electricity\n\nUsed organolead-halide perovskites as light absorbers in photoelectrochemical solar cells, with a reported conversion efficiency of 3.8% for the iodide-based cell.\n\n## Scientific scope\n\nThe reported liquid-electrolyte devices differ from later solid-state perovskite cells. Efficiency here does not establish lifetime, scalability or environmental safety.\n\n## Reading status\n\nThis is a source-linked WRS catalogue note. A full explanatory guide and independent scientific reconstruction have not been completed for this entry. Read the identified original work for its complete narrative and arguments.\n\n## People and systems\n\nAkihiro Kojima; Kenjiro Teshima; Yasuo Shirai; Tsutomu Miyasaka\n\nFull byline of the specified publication; original laboratory roles remain in the source.\n\n\n\n## Original sources\n\n- [Organometal Halide Perovskites as Visible-Light Sensitizers for Photovoltaic Cells](https://pubs.acs.org/doi/10.1021/ja809598r)\n- [Publisher-deposited byline: Organometal Halide Perovskites as Visible-Light Sensitizers for Photovoltaic Cells](https://api.crossref.org/works/10.1021%2Fja809598r)\n",
      "summary": "Used organolead-halide perovskites as light absorbers in photoelectrochemical solar cells, with a reported conversion efficiency of 3.8% for the iodide-based cell.",
      "title": "Perovskites turn visible light into electricity"
    },
    "record_id": "urn:uuid:e305913d-d677-41e8-a43d-fd20f80788e6",
    "version": 1,
    "source_ref": {
      "record_id": "urn:uuid:e305913d-d677-41e8-a43d-fd20f80788e6",
      "version": 1,
      "content_hash": "sha256:a99552a65ea46d06d55efb2bcbf82767dc987ee554a21a5a6d5bc6d323fd1116"
    },
    "export_view": "wrs-public-editorial-view-1",
    "public_view_hash": "sha256:f556dac64f69be09891a51f0817e4743ebc55f6f3bbcfcdc69b2e21a5b0b7874"
  },
  "target": {
    "record_id": "urn:uuid:e305913d-d677-41e8-a43d-fd20f80788e6",
    "version": 1,
    "content_hash": "sha256:a99552a65ea46d06d55efb2bcbf82767dc987ee554a21a5a6d5bc6d323fd1116"
  },
  "published_grade": {
    "profile": "wrs-published-grade-1",
    "edition": "2026-10-28.1",
    "id": "perovskite-photovoltaics",
    "entry_id": "perovskite-photovoltaics",
    "revision": 1,
    "title": "Perovskites turn visible light into electricity",
    "context": "Solar energy",
    "track": "Scoped scientific or research-capability contribution",
    "band": "B",
    "modifier": null,
    "status": "PROVISIONAL_EDITORIAL",
    "assessed_on": "2026-09-14",
    "evidence_cutoff": "2026-09-14",
    "achievement_state": "SUPPORTED_SCOPED_RESULT",
    "what_changed": "Used organolead-halide perovskites as light absorbers in photoelectrochemical solar cells, with a reported conversion efficiency of 3.8% for the iodide-based cell.",
    "scope": "Used organolead-halide perovskites as light absorbers in photoelectrochemical solar cells, with a reported conversion efficiency of 3.8% for the iodide-based cell. Scope limitation: The reported liquid-electrolyte devices differ from later solid-state perovskite cells. Efficiency here does not establish lifetime, scalability or environmental safety.",
    "evidence_summary": "Assessment uses the catalogue-linked source evidence for the stated contribution. The reported liquid-electrolyte devices differ from later solid-state perovskite cells. Efficiency here does not establish lifetime, scalability or environmental safety.",
    "references": [
      {
        "title": "Organometal Halide Perovskites as Visible-Light Sensitizers for Photovoltaic Cells",
        "url": "https://pubs.acs.org/doi/10.1021/ja809598r",
        "locator": "Retained catalogue source evidence; Published abstract or selected source passages and bibliographic identity read; not a full proof or experimental replication."
      },
      {
        "title": "Publisher-deposited byline: Organometal Halide Perovskites as Visible-Light Sensitizers for Photovoltaic Cells",
        "url": "https://api.crossref.org/works/10.1021%2Fja809598r",
        "locator": "Retained catalogue source evidence; Complete deposited byline retained locally with a checksum; bibliographic evidence only."
      }
    ],
    "roles": [
      {
        "who": "Akihiro Kojima",
        "credit": "SCIENCE",
        "did": "Named source contributor; exact labor shares are not measured."
      },
      {
        "who": "Kenjiro Teshima",
        "credit": "SCIENCE",
        "did": "Named source contributor; exact labor shares are not measured."
      },
      {
        "who": "Yasuo Shirai",
        "credit": "SCIENCE",
        "did": "Named source contributor; exact labor shares are not measured."
      },
      {
        "who": "Tsutomu Miyasaka",
        "credit": "SCIENCE",
        "did": "Named source contributor; exact labor shares are not measured."
      }
    ],
    "target": {
      "record_id": "urn:uuid:e305913d-d677-41e8-a43d-fd20f80788e6",
      "version": 1,
      "content_hash": "sha256:a99552a65ea46d06d55efb2bcbf82767dc987ee554a21a5a6d5bc6d323fd1116"
    },
    "scientific_correctness_certified": false,
    "independent_expert_calibration": false,
    "method": "PROPRIETARY",
    "points": "25000"
  },
  "canonical_agent_submission": false,
  "scientific_verification_awarded": false,
  "reader_guide": null,
  "reading_status": "SOURCE_LINKED_NOTE"
}
