Aggregation-enhanced emission and efficient electroluminescence of tetraphenylethene-cored luminogens

Zhengfeng Chang; Yibin Jiang; Bairong He; Jian Chen; Zhiyong Yang; Ping Lü; Hoi Sing Kwok; Zujin Zhao; Huayu Qiu; Ben Zhong Tang

doi:10.1039/c2cc37928g

Abstract

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A new design of luminescent materials by decorating a tetraphenylethene core with four aromatic chromophores is proposed. The generated luminogens exhibit aggregation-enhanced emission and excellent solid-state fluorescence efficiency (93-99%). Efficient non-doped OLEDs based on them afford remarkable efficiencies up to 11 cd A(-1).

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