4.6 Article

Utilizing 9,10-dihydroacridine and pyrazine-containing donor-acceptor host materials for highly efficient red phosphorescent organic light-emitting diodes

期刊

JOURNAL OF MATERIALS CHEMISTRY C
卷 4, 期 33, 页码 7869-7874

出版社

ROYAL SOC CHEMISTRY
DOI: 10.1039/c6tc02180h

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资金

  1. Natural Science Foundation of China [61177016, 21572152]
  2. Collaborative Innovation Center (CIC) of Suzhou Nano Science and Technology, Soochow University
  3. Priority Academic Program Development of the Jiangsu Higher Education Institutions (PAPD)

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Two novel materials, 10-(6-(dibenzo[b, d] furan-1-yl) pyrazin-2-yl)-9,9-diphenyl-9,10-dihydroacridine (PrFPhAc) and 10-(6-(dibenzo[b, d] thiophen-1-yl) pyrazin-2-yl)-9,9-diphenyl-9,10-dihydroacridine (PrTPhAc), were designed and synthesized by introducing heterocyclic pyrazine between 9,10-dihydroacridine and dibenzofuran/dibenzothiophene moieties. The basic properties, such as thermal, photophysical and electrochemical properties, were systematically investigated and compared. Both the materials have suitable triplet energies for red phosphorescent organic light-emitting diodes, and dibenzofuran (DBF) derivative PrFPhAc was finally achieved with superior external quantum efficiency of 22%.

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