{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,16]],"date-time":"2026-10-16T18:34:21Z","timestamp":1792175661465,"version":"4.4.0"},"reference-count":76,"publisher":"Wiley","issue":"12","license":[{"start":{"date-parts":[[2023,10,27]],"date-time":"2023-10-27T00:00:00Z","timestamp":1698364800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"},{"start":{"date-parts":[[2023,10,27]],"date-time":"2023-10-27T00:00:00Z","timestamp":1698364800000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"funder":[{"DOI":"10.13039\/501100010877","name":"Science, Technology and Innovation Commission of Shenzhen Municipality","doi-asserted-by":"publisher","award":["JCYJ20180508162429786"],"award-info":[{"award-number":["JCYJ20180508162429786"]}],"id":[{"id":"10.13039\/501100010877","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100010877","name":"Science, Technology and Innovation Commission of Shenzhen Municipality","doi-asserted-by":"publisher","award":["JCYJ20200109150414471"],"award-info":[{"award-number":["JCYJ20200109150414471"]}],"id":[{"id":"10.13039\/501100010877","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100010428","name":"Innovation and Technology Fund","doi-asserted-by":"publisher","award":["ITS\/224\/17FP"],"award-info":[{"award-number":["ITS\/224\/17FP"]}],"id":[{"id":"10.13039\/501100010428","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Small"],"published-print":{"date-parts":[[2024,3]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>\n                    Described here are sterically hindered tetradentate [Pt(O^N^C^N)] emitters (\n                    <jats:bold>Pt\u20101<\/jats:bold>\n                    ,\n                    <jats:bold>Pt\u20102,<\/jats:bold>\n                    and\n                    <jats:bold>Pt\u20103<\/jats:bold>\n                    ) developed for stable and high\u2010performance green phosphorescent organic light\u2010emitting diodes (OLEDs). These Pt(II) emitters exhibit strong saturated green phosphorescence (\u03bb\n                    <jats:sub>max<\/jats:sub>\n                    = 517\u2013531\u00a0nm) in toluene and mCP thin films with emission quantum yields as high as 0.97, radiative rate constants (\n                    <jats:italic>k<\/jats:italic>\n                    <jats:sub>r<\/jats:sub>\n                    ) as high as 4.4\u20135.3 \u00d7 10\n                    <jats:sup>5<\/jats:sup>\n                    s\n                    <jats:sup>\u22121<\/jats:sup>\n                    and reduced excimer emission, and with a preferential horizontally oriented transition dipole ratio of up to 84%. Theoretical\u00a0calculations show that\n                    <jats:italic>p<\/jats:italic>\n                    \u2010(hetero)arene substituents at the periphery of the ligand scaffolds in\n                    <jats:bold>Pt\u20101<\/jats:bold>\n                    ,\n                    <jats:bold>Pt\u20102<\/jats:bold>\n                    , and\n                    <jats:bold>Pt\u20103<\/jats:bold>\n                    can i) enhance the spin\u2010orbit coupling (SOC) between the lower singlet excited states and the T\n                    <jats:sub>1<\/jats:sub>\n                    state, and S\n                    <jats:sub>0<\/jats:sub>\n                    \u2192S\n                    <jats:italic>\n                      <jats:sub>n<\/jats:sub>\n                    <\/jats:italic>\n                    (\n                    <jats:italic>n<\/jats:italic>\n                    = 1 or 2) transition dipole moment, and ii) introducing additional SOC activity and the bright\n                    <jats:sup>1<\/jats:sup>\n                    ILCT[\u03c0(carbazole)\u2192\u03c0*(N^C^N)] excited state (\n                    <jats:bold>Pt\u20102<\/jats:bold>\n                    and\n                    <jats:bold>Pt\u20103<\/jats:bold>\n                    ), which are the main contributors to the increased\n                    <jats:italic>k<\/jats:italic>\n                    <jats:sub>r<\/jats:sub>\n                    values. Utilizing these tetradentate Pt(II) emitters, green phosphorescent OLEDs are fabricated with narrow\u2010band electroluminescence (FWHM down to 36\u00a0nm), high external quantum efficiency, current efficiency up to 27.6% and 98.7\u00a0cd A\n                    <jats:sup>\u22121<\/jats:sup>\n                    , and an unprecedented device lifetime (LT\n                    <jats:sub>95<\/jats:sub>\n                    ) of up to 9270 h at 1000\u00a0cd m\n                    <jats:sup>\u22122<\/jats:sup>\n                    under laboratory conditions.\n                  <\/jats:p>","DOI":"10.1002\/smll.202307393","type":"journal-article","created":{"date-parts":[[2023,10,28]],"date-time":"2023-10-28T00:19:26Z","timestamp":1698452366000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":14,"title":["Sterically Hindered Tetradentate [Pt(O^N^C^N)] Emitters with Radiative Decay Rates up to 5.3 \u00d7 10\n                    <sup>5<\/sup>\n                    s\n                    <sup>\u22121<\/sup>\n                    for Phosphorescent Organic Light\u2010Emitting Diodes with LT\n                    <sub>95<\/sub>\n                    Lifetime over 9200 h at 1000\u00a0cd m\n                    <sup>\u22122<\/sup>"],"prefix":"10.1002","volume":"20","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-6610-9338","authenticated-orcid":false,"given":"Tsz\u2010Lung","family":"Lam","sequence":"first","affiliation":[{"name":"State Key Laboratory of Synthetic Chemistry HKU\u2010CAS Joint Laboratory on New Materials Department of Chemistry The University of Hong Kong  Pokfulam Road Hong Kong SAR China"},{"name":"Hong Kong Quantum AI Lab Limited  Units 909\u2013915, Building 17\u00a0W, 17 Science Park West Avenue, Hong Kong Science Park Pak Shek Kok Hong Kong"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Huiyang","family":"Li","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Synthetic Chemistry HKU\u2010CAS Joint Laboratory on New Materials Department of Chemistry The University of Hong Kong  Pokfulam Road Hong Kong SAR China"},{"name":"Guangdong Aglaia Optoelectronic Materials Co., Ltd  Foshan 528300 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kaixin","family":"Tan","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Synthetic Chemistry HKU\u2010CAS Joint Laboratory on New Materials Department of Chemistry The University of Hong Kong  Pokfulam Road Hong Kong SAR China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7407-0840","authenticated-orcid":false,"given":"Ziyong","family":"Chen","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Synthetic Chemistry HKU\u2010CAS Joint Laboratory on New Materials Department of Chemistry The University of Hong Kong  Pokfulam Road Hong Kong SAR China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yu\u2010Kan","family":"Tang","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Synthetic Chemistry HKU\u2010CAS Joint Laboratory on New Materials Department of Chemistry The University of Hong Kong  Pokfulam Road Hong Kong SAR China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8701-9297","authenticated-orcid":false,"given":"Jun","family":"Yang","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Synthetic Chemistry HKU\u2010CAS Joint Laboratory on New Materials Department of Chemistry The University of Hong Kong  Pokfulam Road Hong Kong SAR China"},{"name":"Hong Kong Quantum AI Lab Limited  Units 909\u2013915, Building 17\u00a0W, 17 Science Park West Avenue, Hong Kong Science Park Pak Shek Kok Hong Kong"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gang","family":"Cheng","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Synthetic Chemistry HKU\u2010CAS Joint Laboratory on New Materials Department of Chemistry The University of Hong Kong  Pokfulam Road Hong Kong SAR China"},{"name":"Hong Kong Quantum AI Lab Limited  Units 909\u2013915, Building 17\u00a0W, 17 Science Park West Avenue, Hong Kong Science Park Pak Shek Kok Hong Kong"},{"name":"HKU Shenzhen Institute of Research and Innovation  Shenzhen Guangdong 518057 P. R. China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lei","family":"Dai","sequence":"additional","affiliation":[{"name":"Guangdong Aglaia Optoelectronic Materials Co., Ltd  Foshan 528300 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2554-7219","authenticated-orcid":false,"given":"Chi\u2010Ming","family":"Che","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Synthetic Chemistry HKU\u2010CAS Joint Laboratory on New Materials Department of Chemistry The University of Hong Kong  Pokfulam Road Hong Kong SAR China"},{"name":"Hong Kong Quantum AI Lab Limited  Units 909\u2013915, Building 17\u00a0W, 17 Science Park West Avenue, Hong Kong Science Park Pak Shek Kok Hong Kong"},{"name":"HKU Shenzhen Institute of Research and Innovation  Shenzhen Guangdong 518057 P. R. China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2023,10,27]]},"reference":[{"key":"e_1_2_7_1_1","doi-asserted-by":"publisher","DOI":"10.1039\/C5SC03766B"},{"key":"e_1_2_7_1_2","doi-asserted-by":"publisher","DOI":"10.1002\/adma.201601861"},{"key":"e_1_2_7_1_3","volume-title":"Liquid Crystals and Display Technology. IntechOpen","author":"Li H.","year":"2020"},{"key":"e_1_2_7_2_1","doi-asserted-by":"publisher","DOI":"10.1039\/c2cc37862k"},{"key":"e_1_2_7_2_2","doi-asserted-by":"publisher","DOI":"10.1002\/chem.201203687"},{"key":"e_1_2_7_2_3","doi-asserted-by":"publisher","DOI":"10.1002\/adma.201302408"},{"key":"e_1_2_7_2_4","doi-asserted-by":"publisher","DOI":"10.1039\/C4SC01105H"},{"key":"e_1_2_7_2_5","doi-asserted-by":"publisher","DOI":"10.1002\/adom.201801452"},{"key":"e_1_2_7_2_6","doi-asserted-by":"publisher","DOI":"10.1039\/C9TC00682F"},{"key":"e_1_2_7_2_7","doi-asserted-by":"publisher","DOI":"10.1021\/acsami.9b11715"},{"key":"e_1_2_7_3_1","doi-asserted-by":"publisher","DOI":"10.1002\/adom.201400341"},{"key":"e_1_2_7_3_2","doi-asserted-by":"publisher","DOI":"10.1002\/adma.201605002"},{"key":"e_1_2_7_4_1","doi-asserted-by":"publisher","DOI":"10.1002\/adma.202004873"},{"key":"e_1_2_7_5_1","doi-asserted-by":"publisher","DOI":"10.1002\/anie.201302541"},{"key":"e_1_2_7_5_2","doi-asserted-by":"publisher","DOI":"10.1002\/adma.201401759"},{"key":"e_1_2_7_5_3","doi-asserted-by":"publisher","DOI":"10.1021\/acs.chemmater.9b04263"},{"key":"e_1_2_7_5_4","doi-asserted-by":"publisher","DOI":"10.1002\/adfm.202100967"},{"key":"e_1_2_7_6_1","doi-asserted-by":"publisher","DOI":"10.1021\/acs.chemmater.5b04957"},{"key":"e_1_2_7_6_2","doi-asserted-by":"publisher","DOI":"10.1002\/adfm.201903068"},{"key":"e_1_2_7_7_1","doi-asserted-by":"publisher","DOI":"10.1038\/s41566-022-00958-4"},{"key":"e_1_2_7_8_1","doi-asserted-by":"publisher","DOI":"10.1039\/c1cc12943k"},{"key":"e_1_2_7_8_2","doi-asserted-by":"publisher","DOI":"10.1039\/c3sc21822h"},{"key":"e_1_2_7_9_1","doi-asserted-by":"publisher","DOI":"10.1021\/ic1002226"},{"key":"e_1_2_7_9_2","doi-asserted-by":"publisher","DOI":"10.1002\/adma.201202167"},{"key":"e_1_2_7_10_1","doi-asserted-by":"publisher","DOI":"10.1002\/adfm.201604318"},{"key":"e_1_2_7_11_1","doi-asserted-by":"publisher","DOI":"10.1021\/acsaelm.9b00827"},{"key":"e_1_2_7_12_1","doi-asserted-by":"publisher","DOI":"10.1002\/adma.201705600"},{"key":"e_1_2_7_13_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.orgel.2017.03.032"},{"key":"e_1_2_7_14_1","doi-asserted-by":"publisher","DOI":"10.1002\/adma.201504451"},{"key":"e_1_2_7_15_1","doi-asserted-by":"publisher","DOI":"10.1038\/nphoton.2016.230"},{"key":"e_1_2_7_16_1","doi-asserted-by":"publisher","DOI":"10.1021\/acsami.6b12707"},{"key":"e_1_2_7_17_1","doi-asserted-by":"publisher","DOI":"10.1002\/adfm.201900923"},{"key":"e_1_2_7_18_1","doi-asserted-by":"publisher","DOI":"10.1002\/adfm.202002173"},{"key":"e_1_2_7_19_1","doi-asserted-by":"publisher","DOI":"10.1002\/sdtp.13858"},{"key":"e_1_2_7_20_1","volume":"8","author":"Swayamprabha S. S.","year":"2021","journal-title":"Adv. Sci."},{"key":"e_1_2_7_21_1","doi-asserted-by":"publisher","DOI":"10.1515\/nanoph-2020-0322"},{"key":"e_1_2_7_21_2","unstructured":"b)https:\/\/www.oled\u2010info.com\/udc\u2010pholed\u2010material\u2010performance\u2010update\u2010green\u2010now\u2010reaches\u201014\u2010million\u2010hours accessed: May 2023."},{"key":"e_1_2_7_22_1","doi-asserted-by":"publisher","DOI":"10.1038\/s41566-020-00734-2"},{"key":"e_1_2_7_22_2","doi-asserted-by":"publisher","DOI":"10.1002\/adma.202101423"},{"key":"e_1_2_7_23_1","doi-asserted-by":"publisher","DOI":"10.1002\/sdtp.14682"},{"key":"e_1_2_7_24_1","doi-asserted-by":"publisher","DOI":"10.1039\/B916237B"},{"key":"e_1_2_7_25_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ccr.2011.01.042"},{"key":"e_1_2_7_26_1","doi-asserted-by":"publisher","DOI":"10.1021\/ja971321m"},{"key":"e_1_2_7_26_2","doi-asserted-by":"publisher","DOI":"10.1021\/ic102085b"},{"key":"e_1_2_7_27_1","doi-asserted-by":"publisher","DOI":"10.1002\/adom.202001390"},{"key":"e_1_2_7_28_1","doi-asserted-by":"publisher","DOI":"10.1021\/ic201664v"},{"key":"e_1_2_7_29_1","doi-asserted-by":"publisher","DOI":"10.1002\/9781119007166"},{"key":"e_1_2_7_30_1","doi-asserted-by":"publisher","DOI":"10.1021\/ic981387y"},{"key":"e_1_2_7_31_1","doi-asserted-by":"publisher","DOI":"10.1021\/ic035083"},{"key":"e_1_2_7_31_2","doi-asserted-by":"publisher","DOI":"10.1021\/ic051049e"},{"key":"e_1_2_7_32_1","doi-asserted-by":"publisher","DOI":"10.1021\/ic048599h"},{"key":"e_1_2_7_33_1","doi-asserted-by":"publisher","DOI":"10.1021\/ic100740e"},{"key":"e_1_2_7_34_1","doi-asserted-by":"publisher","DOI":"10.1039\/C7TC00844A"},{"key":"e_1_2_7_35_1","doi-asserted-by":"publisher","DOI":"10.1021\/acs.inorgchem.0c02882"},{"key":"e_1_2_7_36_1","doi-asserted-by":"publisher","DOI":"10.1021\/ja903317w"},{"key":"e_1_2_7_37_1","doi-asserted-by":"publisher","DOI":"10.1021\/ic00293a041"},{"key":"e_1_2_7_38_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ccr.2010.11.016"},{"key":"e_1_2_7_39_1","volume":"117","author":"Younker J. M.","year":"2013","journal-title":"J Chem Phys"},{"key":"e_1_2_7_40_1","doi-asserted-by":"publisher","DOI":"10.1039\/c0cp00564a"},{"key":"e_1_2_7_41_1","doi-asserted-by":"publisher","DOI":"10.1063\/1.5094644"},{"key":"e_1_2_7_42_1","doi-asserted-by":"publisher","DOI":"10.1021\/ct400337e"},{"key":"e_1_2_7_43_1","doi-asserted-by":"publisher","DOI":"10.1002\/jcc.22885"},{"key":"e_1_2_7_44_1","doi-asserted-by":"publisher","DOI":"10.1002\/adma.201301603"},{"key":"e_1_2_7_45_1","doi-asserted-by":"publisher","DOI":"10.1038\/ncomms5769"},{"key":"e_1_2_7_45_2","doi-asserted-by":"publisher","DOI":"10.1002\/adma.202103293"},{"key":"e_1_2_7_45_3","doi-asserted-by":"publisher","DOI":"10.1002\/adma.201705600"},{"key":"e_1_2_7_46_1","doi-asserted-by":"publisher","DOI":"10.1002\/adma.201705600"},{"key":"e_1_2_7_46_2","doi-asserted-by":"publisher","DOI":"10.1002\/adma.202100677"},{"key":"e_1_2_7_47_1","doi-asserted-by":"publisher","DOI":"10.1002\/adom.202201799"},{"key":"e_1_2_7_47_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.cej.2022.137836"},{"key":"e_1_2_7_48_1","doi-asserted-by":"publisher","DOI":"10.1021\/acsami.7b04391"},{"key":"e_1_2_7_49_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.orgel.2020.105793"},{"key":"e_1_2_7_50_1","doi-asserted-by":"publisher","DOI":"10.1063\/5.0033023"},{"key":"e_1_2_7_51_1","doi-asserted-by":"publisher","DOI":"10.1002\/sdtp.12851"},{"key":"e_1_2_7_52_1","doi-asserted-by":"publisher","DOI":"10.1038\/srep22463"},{"key":"e_1_2_7_53_1","doi-asserted-by":"publisher","DOI":"10.1039\/D0TC00178C"}],"container-title":["Small"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/pdf\/10.1002\/smll.202307393","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/full-xml\/10.1002\/smll.202307393","content-type":"application\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/pdf\/10.1002\/smll.202307393","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,10,2]],"date-time":"2026-10-02T02:45:00Z","timestamp":1790909100000},"score":1,"resource":{"primary":{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/10.1002\/smll.202307393"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2023,10,27]]},"references-count":76,"journal-issue":{"issue":"12","published-print":{"date-parts":[[2024,3]]}},"alternative-id":["10.1002\/smll.202307393"],"URL":"https:\/\/doi.org\/10.1002\/smll.202307393","archive":["Portico"],"relation":{},"ISSN":["1613-6810","1613-6829"],"issn-type":[{"value":"1613-6810","type":"print"},{"value":"1613-6829","type":"electronic"}],"subject":[],"published":{"date-parts":[[2023,10,27]]},"assertion":[{"value":"2023-08-25","order":0,"name":"received","label":"Received","group":{"name":"publication_history","label":"Publication History"}},{"value":"2023-10-27","order":3,"name":"published","label":"Published","group":{"name":"publication_history","label":"Publication History"}}],"article-number":"2307393"}}