{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,21]],"date-time":"2026-10-21T05:18:27Z","timestamp":1792559907335,"version":"4.5.0"},"reference-count":51,"publisher":"Wiley","license":[{"start":{"date-parts":[[2024,9,12]],"date-time":"2024-09-12T00:00:00Z","timestamp":1726099200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Angew Chem Int Ed"],"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Light\u2010emitting diodes (LEDs) based on perovskite quantum dots (QDs), abbreviated as P\u2010QLEDs have been regarded as significantly crucial emitters for lighting and displays. Efficient and stable P\u2010QLEDs still lack ideal electron transport materials (ETM), which could efficiently block hole, transport electron, reduce interface non\u2010radiative recombination and possess high thermal stability. Here, we report 2,4,6\u2010Tris(3\u2032\u2010(pyridine\u20103\u2010yl) biphenyl\u20103\u2010yl)\u20101,3,5\u2010triazine (TmPPPyTz, 3P) with strong electron\u2010withdrawing moieties of pyridine and triazine to modulate the performance of P\u2010QLEDs. Compared with commonly used 1,3,5\u2010Tris(1\u2010phenyl\u20101H\u2010benzimidazol\u20102\u2010yl)benzene (TPBi), the pyridine in 3P have a strong interaction with perovskites, which can effectively suppress the interface non\u2010radiative recombination caused by the Pb<jats:sup>2+<\/jats:sup> defects on the surface of QDs. In addition, 3P have deep highest occupied molecular orbital (HOMO) (enhancing hole\u2010blocking properties), matched lowest unoccupied molecular orbital (LUMO) and excellent electron mobility (enhancing electron transport properties), realizing the carrier balance and maximizing the exciton recombination. Furthermore, high thermal resistance of 3P obviously improves the stability of QDs under variable temperature, continuous UV illumination, and electric field excitation. Resultantly, the P\u2010QLEDs using the 3P as ETM achieved an outstanding performance with a champion EQE of 30.2\u2009% and an operational lifetime <jats:italic>T<\/jats:italic><jats:sub>50<\/jats:sub> of 3220\u2005hours at an initial luminance of 100\u2005cd\u2009m<jats:sup>\u22122<\/jats:sup>, which is 151\u2009% and about 11\u2010fold improvement compared to control devices (EQE=20\u2009%, <jats:italic>T<\/jats:italic><jats:sub>50<\/jats:sub>=297\u2005hours), respectively. These results provide a new concept for constructing the efficient and stable P\u2010QLEDs from the perspective of selective ETM.<\/jats:p>","DOI":"10.1002\/anie.202410689","type":"journal-article","created":{"date-parts":[[2024,7,27]],"date-time":"2024-07-27T18:45:16Z","timestamp":1722105916000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":35,"title":["Matched Electron\u2010Transport Materials Enabling Efficient and Stable Perovskite Quantum\u2010Dot\u2010Based Light\u2010Emitting Diodes"],"prefix":"10.1002","author":[{"given":"Jindi","family":"Wang","sequence":"first","affiliation":[{"name":"Key Laboratory of Materials Physics of Ministry of Education School of Physics Zhengzhou University  Daxue Road 75 Zhengzhou 450052 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mingyang","family":"Li","sequence":"additional","affiliation":[{"name":"Key Laboratory of Materials Physics of Ministry of Education School of Physics Zhengzhou University  Daxue Road 75 Zhengzhou 450052 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bo","family":"Cai","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Organic Electronics and Information Displays Nanjing University of Posts &amp; Telecommunications  Nanjing 210023 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hongdan","family":"Ren","sequence":"additional","affiliation":[{"name":"Key Laboratory of Materials Physics of Ministry of Education School of Physics Zhengzhou University  Daxue Road 75 Zhengzhou 450052 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wenxuan","family":"Fan","sequence":"additional","affiliation":[{"name":"Key Laboratory of Materials Physics of Ministry of Education School of Physics Zhengzhou University  Daxue Road 75 Zhengzhou 450052 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Leimeng","family":"Xu","sequence":"additional","affiliation":[{"name":"Key Laboratory of Materials Physics of Ministry of Education School of Physics Zhengzhou University  Daxue Road 75 Zhengzhou 450052 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jisong","family":"Yao","sequence":"additional","affiliation":[{"name":"Key Laboratory of Materials Physics of Ministry of Education School of Physics Zhengzhou University  Daxue Road 75 Zhengzhou 450052 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shalong","family":"Wang","sequence":"additional","affiliation":[{"name":"Key Laboratory of Materials Physics of Ministry of Education School of Physics Zhengzhou University  Daxue Road 75 Zhengzhou 450052 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1606-4776","authenticated-orcid":false,"given":"Jizhong","family":"Song","sequence":"additional","affiliation":[{"name":"Key Laboratory of Materials Physics of Ministry of Education School of Physics Zhengzhou University  Daxue Road 75 Zhengzhou 450052 China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2024,9,12]]},"reference":[{"key":"e_1_2_8_1_1","doi-asserted-by":"publisher","DOI":"10.1002\/adma.202300834"},{"key":"e_1_2_8_2_1","doi-asserted-by":"publisher","DOI":"10.1002\/adma.202310521"},{"key":"e_1_2_8_3_1","doi-asserted-by":"publisher","DOI":"10.1038\/s41563-018-0018-4"},{"key":"e_1_2_8_4_1","first-page":"294","volume":"3","author":"Ye F.","year":"2019","journal-title":"Small Methods"},{"key":"e_1_2_8_5_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.scib.2017.02.004"},{"key":"e_1_2_8_6_1","doi-asserted-by":"publisher","DOI":"10.1002\/adma.202302283"},{"key":"e_1_2_8_7_1","volume":"63","author":"Zhang X.","year":"2024","journal-title":"Angew. 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