{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:7YFFFDF6Y7ZYA5SFFAMZUG7KTY","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"cf5a3c60522cc1743a5ed0d534246c18720694544341d52a2009efb7598f2ec0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2011-09-26T11:38:52Z","title_canon_sha256":"f342510d94eca531e1e69bd5433b5c537217cbd34e85b102ba8e7ab52f5c12dd"},"schema_version":"1.0","source":{"id":"1109.5528","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1109.5528","created_at":"2026-05-18T04:11:49Z"},{"alias_kind":"arxiv_version","alias_value":"1109.5528v1","created_at":"2026-05-18T04:11:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1109.5528","created_at":"2026-05-18T04:11:49Z"},{"alias_kind":"pith_short_12","alias_value":"7YFFFDF6Y7ZY","created_at":"2026-05-18T12:26:22Z"},{"alias_kind":"pith_short_16","alias_value":"7YFFFDF6Y7ZYA5SF","created_at":"2026-05-18T12:26:22Z"},{"alias_kind":"pith_short_8","alias_value":"7YFFFDF6","created_at":"2026-05-18T12:26:22Z"}],"graph_snapshots":[{"event_id":"sha256:2e1e9ff97fa488cd30964353877289bbd5c778aa4c6b7c1ca3100330fd15da3e","target":"graph","created_at":"2026-05-18T04:11:49Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"We investigated poly(3-hexylthiophene-2,5-diyl):[6,6]-phenyl-C61 butyric acid methyl ester bulk heterojunction (BHJ) solar cells by means of pulsed photocurrent, temperature dependent current-voltage and capacitance-voltage measurements. We show that a direct transfer of Mott-Schottky (MS) analysis from inorganic devices to organic BHJ solar cells is not generally appropriate to determine the built-in potential, since the resulting potential depends on the active layer thickness. Pulsed photocurrent measurements enabled us to directly study the case of quasi flat bands (QFB) in the bulk of the","authors_text":"Carsten Deibel, Markus Mingebach, Vladimir Dyakonov","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2011-09-26T11:38:52Z","title":"Built-in potential and validity of Mott--Schottky analysis in organic bulk heterojunction solar cells"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1109.5528","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:932a61ed51c0e2e27aaf021aaf4d9f50faec31147c81e84d03dec439d9f0af9d","target":"record","created_at":"2026-05-18T04:11:49Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"cf5a3c60522cc1743a5ed0d534246c18720694544341d52a2009efb7598f2ec0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2011-09-26T11:38:52Z","title_canon_sha256":"f342510d94eca531e1e69bd5433b5c537217cbd34e85b102ba8e7ab52f5c12dd"},"schema_version":"1.0","source":{"id":"1109.5528","kind":"arxiv","version":1}},"canonical_sha256":"fe0a528cbec7f380764528199a1bea9e3964809b2d1455f71fffadbaf1a5aa1d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fe0a528cbec7f380764528199a1bea9e3964809b2d1455f71fffadbaf1a5aa1d","first_computed_at":"2026-05-18T04:11:49.644694Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:11:49.644694Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"OyMF6iUX+DR0G3NUD1nAFHRc7HMes6Wbxts6qlJq75k1xyLMTYGDOuu92WIc7ssORG6kqtWxSr2s+N/0kWbHDw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:11:49.645386Z","signed_message":"canonical_sha256_bytes"},"source_id":"1109.5528","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:932a61ed51c0e2e27aaf021aaf4d9f50faec31147c81e84d03dec439d9f0af9d","sha256:2e1e9ff97fa488cd30964353877289bbd5c778aa4c6b7c1ca3100330fd15da3e"],"state_sha256":"59e031a819423eaf16276d09022f1c6e4cea8da0b1066f599e0787bf86234be2"}