{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,7]],"date-time":"2025-11-07T09:02:09Z","timestamp":1762506129955,"version":"build-2065373602"},"reference-count":44,"publisher":"Wiley","issue":"10","license":[{"start":{"date-parts":[[2013,7,19]],"date-time":"2013-07-19T00:00:00Z","timestamp":1374192000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["chemistry-europe.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["ChemPlusChem"],"published-print":{"date-parts":[[2013,10]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>We describe how the morphology, photoluminescence (PL), and electroluminescence properties of 2,2\u2032,7,7\u2032\u2010tetrakis(pyren\u20101\u2010yl)\u20109,9\u2032\u2010spirobifluorene (TPSBF) are related to its film thickness and how, under optimized conditions, the three main PL emissions constitute a form of white light. We fabricated high\u2010brightness, broad\u2010spectrum, white\u2010light organic light\u2010emitting diodes, incorporating a single emission layer of the blue\u2010light\u2010emitting material TPSBF, which comprises four pyrene units linked to a spirobifluorene core. An organic light\u2010emitting device with the configuration indium tin oxide (170\u2005nm)\/4,4\u2032,4\u2032\u2032\u2010tris[<jats:italic>N<\/jats:italic>\u2010(2\u2010naphthyl)\u2010<jats:italic>N<\/jats:italic>\u2010phenylamino]triphenylamine (15\u2005nm)\/4,4\u2032\u2010bis[<jats:italic>N<\/jats:italic>\u2010(1\u2010naphthyl)\u2010<jats:italic>N<\/jats:italic>\u2010phenylamino]biphenyl (65\u2005nm)\/TPSBF (50\u2005nm)\/tris(8\u2010hydroxyquinoline)aluminum (30\u2005nm)\/LiF (0.8\u2005nm)\/Al (200\u2005nm) exhibited a broad\u2010spectrum white emission with a maximum luminescence and current efficiency of 57\u2009680\u2005cd\u2009m<jats:sup>\u22122<\/jats:sup> and 6.51\u2005cd\u2009A<jats:sup>\u22121<\/jats:sup>, respectively, and Commission International De l\u2019Eclairage coordinates of (0.29,0.36).<\/jats:p>","DOI":"10.1002\/cplu.201300088","type":"journal-article","created":{"date-parts":[[2013,7,19]],"date-time":"2013-07-19T06:57:06Z","timestamp":1374217026000},"page":"1288-1295","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":10,"title":["A Spirobifluorene Derivative as a Single\u2010Emitting Component for a Highly Efficient White Organic Electroluminescent Device"],"prefix":"10.1002","volume":"78","author":[{"given":"Hsin\u2010Yi","family":"Wen","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Chun\u2010Ming","family":"Chao","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mei\u2010Ying","family":"Chang","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Chiung\u2010Wen","family":"Hsieh","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shu\u2010Chen","family":"Hsieh","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2013,7,19]]},"reference":[{"key":"e_1_2_6_1_2","doi-asserted-by":"publisher","DOI":"10.1038\/nature04645"},{"key":"e_1_2_6_2_2","doi-asserted-by":"publisher","DOI":"10.1126\/science.267.5202.1332"},{"key":"e_1_2_6_3_2","doi-asserted-by":"publisher","DOI":"10.1002\/adma.200400684"},{"key":"e_1_2_6_4_2","doi-asserted-by":"publisher","DOI":"10.1126\/science.310.5755.1762"},{"key":"e_1_2_6_5_2","doi-asserted-by":"publisher","DOI":"10.1002\/1521-4095(20020116)14:2<147::AID-ADMA147>3.0.CO;2-3"},{"key":"e_1_2_6_6_2","doi-asserted-by":"publisher","DOI":"10.1063\/1.115126"},{"key":"e_1_2_6_7_2","doi-asserted-by":"publisher","DOI":"10.1063\/1.3176486"},{"key":"e_1_2_6_8_2","doi-asserted-by":"publisher","DOI":"10.1063\/1.2837419"},{"key":"e_1_2_6_9_2","doi-asserted-by":"publisher","DOI":"10.1063\/1.2740191"},{"key":"e_1_2_6_10_2","doi-asserted-by":"publisher","DOI":"10.1063\/1.2742289"},{"key":"e_1_2_6_11_2","doi-asserted-by":"publisher","DOI":"10.1149\/1.3005990"},{"key":"e_1_2_6_12_2","doi-asserted-by":"publisher","DOI":"10.1002\/adma.200602942"},{"key":"e_1_2_6_13_2","doi-asserted-by":"publisher","DOI":"10.1002\/pola.22396"},{"key":"e_1_2_6_14_2","doi-asserted-by":"publisher","DOI":"10.1002\/adma.201002636"},{"key":"e_1_2_6_15_2","doi-asserted-by":"publisher","DOI":"10.1002\/adma.201004324"},{"key":"e_1_2_6_16_2","doi-asserted-by":"publisher","DOI":"10.1063\/1.1536018"},{"key":"e_1_2_6_17_2","doi-asserted-by":"publisher","DOI":"10.1063\/1.1808250"},{"key":"e_1_2_6_18_2","doi-asserted-by":"publisher","DOI":"10.1063\/1.364313"},{"key":"e_1_2_6_19_2","doi-asserted-by":"publisher","DOI":"10.1063\/1.1540247"},{"key":"e_1_2_6_20_2","doi-asserted-by":"publisher","DOI":"10.1002\/adma.200502740"},{"key":"e_1_2_6_21_2","doi-asserted-by":"publisher","DOI":"10.1002\/adfm.200500767"},{"key":"e_1_2_6_22_2","doi-asserted-by":"publisher","DOI":"10.1002\/adma.200305838"},{"key":"e_1_2_6_23_2","doi-asserted-by":"publisher","DOI":"10.1063\/1.2804003"},{"key":"e_1_2_6_24_2","doi-asserted-by":"publisher","DOI":"10.1021\/cm0345117"},{"key":"e_1_2_6_25_2","doi-asserted-by":"publisher","DOI":"10.1021\/cm8032302"},{"key":"e_1_2_6_26_2","doi-asserted-by":"publisher","DOI":"10.3390\/molecules15117582"},{"key":"e_1_2_6_27_2","doi-asserted-by":"publisher","DOI":"10.1021\/jp8090073"},{"key":"e_1_2_6_28_2","doi-asserted-by":"publisher","DOI":"10.1002\/adfm.200500067"},{"key":"e_1_2_6_29_2","doi-asserted-by":"publisher","DOI":"10.1039\/b410330k"},{"key":"e_1_2_6_30_2","doi-asserted-by":"publisher","DOI":"10.1126\/science.1455230"},{"key":"e_1_2_6_31_2","doi-asserted-by":"publisher","DOI":"10.1021\/cr00039a007"},{"key":"e_1_2_6_32_2","doi-asserted-by":"publisher","DOI":"10.1071\/CH9610354c"},{"key":"e_1_2_6_33_2","doi-asserted-by":"publisher","DOI":"10.1002\/chem.201100971"},{"volume-title":"Modern Molecular Photochemistry","year":"1978","author":"Turro N. 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