Organic LEDs: Sky-Blue Organic Light Emitting Diode with ≈37% External Quantum Efficiency Using Thermally Activated Delayed Fluorescence from Spiroacridine-Triazine Hybrid (Adv. Mater. 32/2016)

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• 作者：Ting-An Lin ; Tanmay Chatterjee ; Wei-Lung Tsai ; Wei-Kai Lee ; Meng-Jung Wu ; Min Jiao ; Kuan-Chung Pan ; Chih-Lung Yi ; Chin-Lung Chung ; Ken-Tsung Wong and Chung-Chih Wu
• 刊名：Advanced Materials
• 出版年：2016
• 出版时间：August 24, 2016
• 年：2016
• 卷：28
• 期：32
• 页码：7029
• 全文大小：1824K
• ISSN：1521-4095

文摘

Extremely efficient blue organic electroluminescence with external quantum efficiency of 37% with a conventional planar device structure is reported by K.-T. Wong, C.-C. Wu, and co-workers on page 6976. Such a high efficiency is realized by thermally activated delayed fluorescence emitters based on spiroacridine–triazine hybrids, which simultaneously possess nearly 100% photoluminescence quantum yield and strongly horizontally oriented emitting dipoles.