Journal
ACS APPLIED POLYMER MATERIALS
Volume 3, Issue 8, Pages 3708-3713Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsapm.1c00646
Keywords
aggregation-induced emission; mechanochromic luminescence; polysaccharides; aqueous solution; supramolecular chemistry; host-guest chemistry; crystallography
Funding
- JSPS KAKENHI Early-Career Scientists [19K15401, 19K15523, JP16H04133, 2021A1065]
- Grants-in-Aid for Scientific Research [19K15401, 19K15523] Funding Source: KAKEN
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The study reveals that the solid-state properties of mechanochromic luminescent materials can be maintained in aqueous solutions through complexation with polysaccharides, resulting in stable complexes for over 1 week.
The emission wavelengths of mechanochromic luminescent (ML) materials differ in the solid state based on molecular packing, whereas they exhibit one homogenized emission wavelength when dispersed in a solvent. Using a top-down approach, we developed a method that can maintain the solid state properties of ML materials in aqueous solutions. We confirmed that the crystallographic information on a tetraphenylethylene derivative with mechanochromic luminescence in the solid state was preserved in aqueous solutions via complexation with polysaccharides. The aqueous solutions of the complexes were stable for over 1 week.
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