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Soluble Phenylenevinylene Polymers Containing Tetraphenylethene Units by Ring‐Opening Metathesis Polymerization
Author(s) -
Yu ChinYang,
Lai YuChun
Publication year - 2018
Publication title -
macromolecular chemistry and physics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.57
H-Index - 112
eISSN - 1521-3935
pISSN - 1022-1352
DOI - 10.1002/macp.201800135
Subject(s) - polymer , monomer , polymerization , polymer chemistry , metathesis , ring opening metathesis polymerisation , isomerization , materials science , quantum yield , photoluminescence , romp , chemical engineering , fluorescence , photochemistry , chemistry , organic chemistry , composite material , catalysis , physics , optoelectronics , quantum mechanics , engineering
Soluble phenylenevinylene polymers containing tetraphenylethene units are synthesized by ring‐opening metathesis polymerization of 4‐triphenylvinylphenyl‐[2.2]paracyclophane‐1,9‐diene in the presence of the second generation Grubbs’ initiator. Various polymer molecular weights can be obtained by altering the monomer to initiator ratio. Isomerization is successfully conducted in dilute polymer solution under a UV light irradiation. The as‐prepared polymers with longer chain lengths show relatively strong emission with a photoluminescence quantum yield of up to 43% in solution. Aggregation induced emission is observed for the polymers containing the cis–trans microstructures when the water fraction reached 80% in water/THF mixture. The morphologies of the polymers containing the cis–trans and trans microstructures are distinctive which reveal sphere‐like particles and network‐like structures, respectively. These polymers are promising candidates for potential uses in fluorescence applications.