{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,15]],"date-time":"2026-10-15T03:53:58Z","timestamp":1792036438407,"version":"4.4.0"},"reference-count":40,"publisher":"Wiley","issue":"29","license":[{"start":{"date-parts":[[2022,6,12]],"date-time":"2022-06-12T00:00:00Z","timestamp":1654992000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["52130308"],"award-info":[{"award-number":["52130308"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["51703131"],"award-info":[{"award-number":["51703131"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["advanced.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Advanced Materials"],"published-print":{"date-parts":[[2022,7]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>\n                    High\u2010color\u2010purity blue and green organic light\u2010emitting diodes (OLEDs) have been resolved thanks to the development of B\/N\u2010based polycyclic multiple resonance (MR) emitters. However, due to the derivatization limit of B\/N polycyclic structures, the design of red MR emitters remains challenging. Herein, a series of novel red MR emitters is reported by\n                    <jats:italic>para<\/jats:italic>\n                    \u2010positioning N\u2013\u03c0\u2013N, O\u2013\u03c0\u2013O, B\u2013\u03c0\u2013B pairs onto a benzene ring to construct an MR central core. These emitters can be facilely and modularly synthesized, allowing for easy fine\u2010tuning of emission spectra by peripheral groups. Moreover, these red MR emitters display excellent photophysical properties such as near\u2010unity photoluminescence quantum yield (PLQY), fast radiative decay rate (\n                    <jats:italic>k<\/jats:italic>\n                    <jats:sub>r<\/jats:sub>\n                    ) up to 7.4 \u00d7 10\n                    <jats:sup>7<\/jats:sup>\n                    s\n                    <jats:sup>\u22121<\/jats:sup>\n                    , and most importantly, narrowband emission with full\u2010width at half\u2010maximum (FWHM) of 32\u00a0nm. Incorporating these MR emitters, pure red OLEDs sensitized by phosphor realize state\u2010of\u2010the\u2010art device performances with external quantum efficiency (EQE) exceeding 36%, ultralow efficiency roll\u2010off (EQE remains as high as 25.1% at the brightness of 50\u00a0000\u00a0cd\u00a0m\n                    <jats:sup>\u22122<\/jats:sup>\n                    ), ultrahigh brightness over 130\u00a0000\u00a0cd\u00a0m\n                    <jats:sup>\u22122<\/jats:sup>\n                    , together with good device lifetime.\n                  <\/jats:p>","DOI":"10.1002\/adma.202201442","type":"journal-article","created":{"date-parts":[[2022,5,19]],"date-time":"2022-05-19T16:01:25Z","timestamp":1652976085000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":307,"title":["High\u2010Performance Narrowband Pure\u2010Red OLEDs with External Quantum Efficiencies up to 36.1% and Ultralow Efficiency Roll\u2010Off"],"prefix":"10.1002","volume":"34","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-9291-0586","authenticated-orcid":false,"given":"Yang","family":"Zou","sequence":"first","affiliation":[{"name":"Shenzhen Key Laboratory of New Information Display and Storage Materials College of Materials Science and Engineering Shenzhen University  Shenzhen 518060 P. 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China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ziyang","family":"Xie","sequence":"additional","affiliation":[{"name":"Shenzhen Key Laboratory of New Information Display and Storage Materials College of Materials Science and Engineering Shenzhen University  Shenzhen 518060 P. R. China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yuntao","family":"Qiu","sequence":"additional","affiliation":[{"name":"Shenzhen Key Laboratory of New Information Display and Storage Materials College of Materials Science and Engineering Shenzhen University  Shenzhen 518060 P. R. China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9999-8840","authenticated-orcid":false,"given":"Xiaosong","family":"Cao","sequence":"additional","affiliation":[{"name":"Shenzhen Key Laboratory of New Information Display and Storage Materials College of Materials Science and Engineering Shenzhen University  Shenzhen 518060 P. R. 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