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Triphenylsilane-Fluorene Hybrids as Host Materials for Green and Blue Phosphorescent Organic Light Emitting Diodes

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Three triphenylsilane-fluorene hybrids as host materials have been synthesized and characterized for phosphorescent organic light emitting diodes (OLEDs). Triphenylsilane and fluorene moieties are introduced to increase thermal stability and triplet energy. Two kinds of devices—green and blue phosphorescent OLEDs—were fabricated to investigate electroluminescent properties of triphenylsilane-fluorene hybrids as host materials. Devices using these materials as phosphorescent hosts showed efficient green as well as blue electroluminescence with the maximum external quantum efficiencies of 9.01 and 10.7%, respectively.
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Keywords: Fluorene; Phosphorescent OLEDs; Suzuki Cross-Coupling Reaction; Triphenylsilane

Document Type: Research Article

Affiliations: 1: Department of Chemistry, Sungkyunkwan University, Suwon, 440-746, Korea 2: Department of Information Display, Hongik University, Seoul, 121-791, Korea

Publication date: August 1, 2017

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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