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Optical Properties and Mechanofluorochromism of New BODIPY Dyes Based on Pyridine-Pyrimidine-Hybrid Structure

Abstract

A new family of BODIPY dyes (PPB1-4) based on pyridine-pyrimidine-hybride structure has been synthesized. These dyes show high cyan fluorescence in hexane with quantum yields (Φf) ranging from 0.33 to 0.90. Interestingly, moderate fluorescence of PPB1-4 are observed in solid-state (Φf, 0.11-0.26). X-ray structure analysis demonstrates that H-aggregation should be responsible for the red-shifted and quenched emission in solid-state. Moreover, PPB1-4 show high contrast and reversible mechanochromic fluorescence based on the proposed mechanism of mechanical stimuli triggered dimer dissolution and formation. In addition, a rewritable mechanochromic fluorescence recording media fabricated with PPB4 has been successfully achieved.

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Publication details

The article was received on 22 Jun 2017, accepted on 11 Jul 2017 and first published on 11 Jul 2017


Article type: Paper
DOI: 10.1039/C7DT02259J
Citation: Dalton Trans., 2017, Accepted Manuscript
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    Optical Properties and Mechanofluorochromism of New BODIPY Dyes Based on Pyridine-Pyrimidine-Hybrid Structure

    Z. Liu, Y. Liu, J. Duan, F. Qi, D. Tian, X. Wang and W. Huang, Dalton Trans., 2017, Accepted Manuscript , DOI: 10.1039/C7DT02259J

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