Bulletin of the Korean Chemical Society

  • 제32권5호
  • /
  • Pages.1475-1482
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  • 2011
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  • 0253-2964(pISSN)
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  • 1229-5949(eISSN)
대한화학회 (Korean Chemical Society)
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New Fluorescent Blue OLED Host and Dopant Materials Based on the Spirobenzofluorene

  • Lee, In-Ho (Department of Nanobiomedical Science and WCU Research Center of Nanobiomedical Science, Dankook University) ;
  • Gong, Myoung-Seon (Department of Nanobiomedical Science and WCU Research Center of Nanobiomedical Science, Dankook University)
  • 투고 : 2011.01.03
  • 심사 : 2011.03.02
  • 발행 : 2011.05.20
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초록

New spiro[benzo[c]fluorene-7,9'-fluorene] (SBFF)-based blue host materials, 9-phenyl-SBFF (BH-4P) and 5,9-diphenyl-SBFF (BH-6DP), were successfully prepared by spiro-formation of 9-phenyl-7H-benzo[c]fluoren-7-one with 2-bromobiphenyl via lithiation and reaction of 5,9-dibromo-SBFF with phenylboronic acid through the Suzuki reaction, respectively. Diphenyl-[4-(2-[1,1;4,1]terphenyl-4-yl-vinyl)-phenyl]-amine (BD-1) and N,N-diphenyl-N',N'-diphenyl-SBFF-5,9-diamine (BD-6DPA) were used as dopant materials. Blue OLEDs with the configuration ITO/N,N'-bis-[4-(di-m-tolylamino)phenyl]-N,N'-diphenylbiphenyl-4,4'-diamine (DNTPD)/bis[N-(1-naphthyl)-N-phenyl]benzidine (NPB)/host:5% dopant/SFC-137/Al-LiF were prepared from the two host materials doped with BD-1 and BD-6DPA dopants and the devices composed of BH-4P and BH-6DP doped with BD-6DPA showed blue EL spectra at 458 and 463 nm at 7 V and luminance efficiencies of 4.58 and 4.88 cd/A, respectively.

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피인용 문헌

  1. ChemInform Abstract: New Fluorescent Blue OLED Host and Dopant Materials Based on the Spirobenzofluorene. vol.42, pp.42, 2011, https://doi.org/10.1002/chin.201142080
  2. Novel multifunctional organic semiconductor materials based on 4,8-substituted 1,5-naphthyridine: synthesis, single crystal structures, opto-electrical properties and quantum chemistry calculation vol.10, pp.33, 2012, https://doi.org/10.1039/c2ob25926e
  3. Modulating Paratropicity Strength in Diareno-Fused Antiaromatics vol.138, pp.51, 2016, https://doi.org/10.1021/jacs.6b11397
  4. Deep Blue Fluorescent Host Materials Based on a Novel Spiro[benzo[c]fluorene-7,9'-fluorene] Core Structure with Side Aromatic Wings vol.33, pp.7, 2012, https://doi.org/10.5012/bkcs.2012.33.7.2287