Preparation of a tetraphenylethylene-based emitter: synthesis, structure and optoelectronic properties of tetrakis(pentaphenylphenyl)ethylene

Soluble tetrakis(pentaphenylphenyl)ethylene (1), prepared in three steps, allows non-emissive tetraphenylethylene (TPE) to turn into an emitter (Phi(F) = 0.13) owing to the steric bulk of the four large hexaphenylbenzene propellers which hamper =C-Ph and C=C bond rotations in the TPE core.

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Bibliographic Details
Published in:Chemical communications (Cambridge, England) England), 2010-01, Vol.46 (7), p.1065-1067
Main Authors: Vyas, Vijay S, Rathore, Rajendra
Format: Article
Language:English
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Summary:Soluble tetrakis(pentaphenylphenyl)ethylene (1), prepared in three steps, allows non-emissive tetraphenylethylene (TPE) to turn into an emitter (Phi(F) = 0.13) owing to the steric bulk of the four large hexaphenylbenzene propellers which hamper =C-Ph and C=C bond rotations in the TPE core.
ISSN:1359-7345
1364-548X
DOI:10.1039/b923915d