Journal
ADVANCED OPTICAL MATERIALS
Volume -, Issue -, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adom.202300861
Keywords
acrylamide; deep eutectic solvent; luminescent polymers; polymerization; SbCl3
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A polymerizable type-IV deep eutectic solvent (DES) was synthesized through the coordination reaction between acrylamide and SbCl3, and it was demonstrated that the resulting type-IV DES-based polymers can exhibit luminescence after polymerization due to efficient Sb-ligand and ligand-ligand charge transfer. The quantum yield of Sb-ligand charge transfer emission can be tuned using reversible addition-fragmentation chain transfer (RAFT) polymerization of acrylamide, reaching up to 15.32%. As a proof-of-concept, the polymerizable DES was successfully used as a fluorescent anti-counterfeit ink, achieving fluorescence encryption.
Here, a polymerizable type-IV deep eutectic solvent (DES) is synthesized via the coordination reaction between acrylamide and SbCl3, and for the first time it is demonstrated that the resultant type-IV DES-based polymers can exhibit luminescence after polymerization due to the efficient Sb-ligand and ligand-ligand charge transfer. Notably, the quantum yield of Sb-ligand charge transfer emission can be tuned with the controllable reversible addition-fragmentation chain transfer (raft) polymerization of acrylamide, reaching up to 15.32%. As a proof-of-concept application, the polymerizable DES is utilized as fluorescent anti-counterfeit ink, successfully realizing the fluorescence encryption.
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