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Jing Huang, Ning Sun, Yongqiang Dong, Runli Tang, Ping Lu, Ping Cai, Qianqian Li, Dongge Ma, Jingui Qin and Zhen Li Similar or Totally Different: The Control of Conjugation Degree through Minor Structural Modifications, and Deep-Blue Aggregation-Induced Emission Luminogens for Non-Doped OLEDs Advanced Functional Materials 23

Version of Record online: 4 DEC 2012 | DOI: 10.1002/adfm.201202639

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Four 4,4′-bis(1,2,2-triphenylvinyl)biphenyl (BTPE) derivatives are successfully synthesized and used as emitters for the construction of non-doped deep-blue organic light-emitting diodes (OLEDs). By merging two simple tetraphenylethene (TPE) moieties through ortho-, meta-, or para- linkage positions, the conjugation length is effectively controlled to ensure deep-blue emission, compared to BTPE which has sky-blue emission.

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