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Synthesis of Tellurium-Containing π‑Extended Aromatics with Room-Temperature Phosphorescence

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journal contribution
posted on 27.09.2019, 14:35 by Mengjing Jiang, Jimin Guo, Bingxin Liu, Qitao Tan, Bin Xu
A synthesis of tellurium-embedded π-extended aromatics from tellurium powder and readily available cyclic diaryliodonium salts has been developed. The versatility of this method has been demonstrated by the synthesis of various functionalized dibenzotellurophenes (DBTe’s), a ladder-type π-system, and a heterosumanene. These compounds demonstrated good air/moisture stability and high thermal stability. Remarkably, many DBTe’s exhibited interesting tunable room-temperature phosphorescence (RTP) in the solid state.

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