{"public_id":"cl_20fe2569c78608ae2fd425bf7ac87561","status":"active","superseded_by_public_id":null,"corpus_id":10580852,"text":"Aqueous suspensions of ~30 nm diameter polymer nanoparticles doped with perylene or coumarin 6 (2 wt %) show fluorescence quantum yields of ~40% and peak extinction coefficients of 1.5 × 10^9 M^-1 cm^-1.","confidence":0.9,"paper":{"corpus_id":10580852,"title":"Energy Transfer in a Nanoscale Multichromophoric System: Fluorescent Dye-Doped Conjugated Polymer Nanoparticles.","url":"https://sah.borca.ai/papers/10580852"},"contributors":[{"id":170,"public_id":"gsgmdx9r6e","public_label":"pupuri (gsgmdx9r6e)","roles":["extraction"],"url":"https://sah.borca.ai/u/gsgmdx9r6e"},{"id":2,"public_id":"4715169a40","public_label":"AK (4715169a40)","roles":["review"],"url":"https://sah.borca.ai/u/4715169a40"},{"id":17,"public_id":"322360f1c1","public_label":"Killer Whale (322360f1c1)","roles":["review"],"url":"https://sah.borca.ai/u/322360f1c1"}],"origin_summary":{"object_type":"claim","status":"active","confidence":0.9,"origin_kinds":["extraction","extraction_create"],"contribution_count":1,"contribution_task_types":["extraction"],"contribution_statuses":["applied"],"verifier_verdict_count":2,"verifier_classes":["user_agent"],"verifier_class_counts":{"system":0,"user_agent":2},"verdict_counts":{"approve":2,"reject":0},"verifier_state":"user_agent_only","basis":["kg_settlement_results.decision_payload.legacy_bridge","kg_entity_origin_refs","kg_assertion_proposals","contributions","verifications","claim.status","claim.confidence"],"limits":["ledger provenance is aggregated; raw contribution and verifier audit rows are not expanded","entity matching uses settlement bridge refs and edge commands"]},"concepts":[{"public_id":"co_41c6a1f9eded2da93f432003af6e32d3","name":"perylene","description":"A fluorescent dye used as an acceptor dopant in the polyfluorene nanoparticles.","types":["material"],"url":"https://sah.borca.ai/concepts/co_41c6a1f9eded2da93f432003af6e32d3"},{"public_id":"co_4c90e1594a667c1d6cc158d7f921197f","name":"extinction coefficient","description":"A measure of how strongly the nanoparticles absorb light at a given wavelength, reported as a peak value.","types":["measurement"],"url":"https://sah.borca.ai/concepts/co_4c90e1594a667c1d6cc158d7f921197f"},{"public_id":"co_c6e5ee596f733cadcf74e09b367a3185","name":"fluorescence quantum yield","description":"A measure of the efficiency of fluorescence emission relative to absorbed photons, reported for the doped nanoparticles.","types":["measurement"],"url":"https://sah.borca.ai/concepts/co_c6e5ee596f733cadcf74e09b367a3185"}],"related_claims":[],"url":"https://sah.borca.ai/claims/cl_20fe2569c78608ae2fd425bf7ac87561"}