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A Folded Mechanochromic Organic Fluorophore Based on Thianthrene-Fused Coumarin | Synapse

December 10, 2025Open Access

A Folded Mechanochromic Organic Fluorophore Based on Thianthrene-Fused Coumarin

Key Points

To investigate the luminescent properties of a thianthrene-fused coumarin dye under mechanical stimulation.
Synthesis of thianthrene-fused coumarin dye (6,7-BDTC)
Characterization using X-ray crystallography
Assessment of mechanochromic luminescence in powder samples
Dye demonstrates pronounced mechanochromic luminescence shifting from light-blue to green emission
X-ray crystallography reveals structural polymorphs
Mechanical stimulation leads to significant color change in emission.

Abstract

The powder samples of a novel thianthrene-fused coumarin dye (6,7-BDTC) demonstrated pronounced mechanochromic luminescence, shifting from a light-blue to a green emission upon mechanical stimulation. X-ray crystallography of polymorphs with...

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Cite This Study

Ueda et al. (Wed,) studied this question.

synapsesocial.com/papers/69401d472d562116f28f85ee https://doi.org/https://doi.org/10.1039/d5cc05320j