Opposite mechanoluminescence behavior of two isomers with different linkage positions

Chemical Communications : Chem Comm
Fan LiuZhen Li

Abstract

Two isomers of mm-TPE(PI)2 and pp-TPE(PI)2, constructed by the two same aromatic blocks of tetraphenylethene and phenanthro[9,10-d]imidazole, exhibit totally different mechanoluminescence, as a result of the ignorable different linkage positions on the tetraphenylethene moiety. Detailed analysis and theoretical calculations demonstrate the structure-packing-property relationship of organic mechanoluminescent luminogens, with the emphasis on the important role of molecular packing in the solid state.

References

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Citations

Feb 20, 2019·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Ho-Yin WongGa-Lai Law
May 11, 2021·Chemphyschem : a European Journal of Chemical Physics and Physical Chemistry·Yuichi HiraiRémi Métivier

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Methods Mentioned

BETA
nuclear magnetic resonance
scraping
Fluorescence
X-ray

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