4.8 Article

Control of Conjugation Degree via Position Engineering to Highly Efficient Phosphorescent Host Materials

Journal

ORGANIC LETTERS
Volume 16, Issue 14, Pages 3748-3751

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/ol501603b

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Funding

  1. Natural Science Foundation of China [21202114, 21161160446, 61036009, 61177016]
  2. Fund for Excellent Creative Research Teams of Jiangsu Higher Education Institutions

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The C3 meta-position of fluorene is utilized to construct high-triplet energy compounds. Incorporating a spiroacridine structure, two new host materials SAFDPA and SAFCz were facilely obtained. Their thermal and photophysical properties are fully investigated. The best efficiencies of 19.4%/21.5% of blue/white devices are achieved by SAFCz.

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