Helical Conjugated Ladder Polymers: Tuning the Conformation
and Properties through Edge Design
Posted on 2017-11-17 - 20:17
Two
helical conjugated ladder polymers (CLPs) have been synthesized
using the photochemical cyclo-dehydrochlorination (CDHC) reaction
on polychlorinated polymer derivatives. UV–vis and photoluminescence
spectroscopy revealed that the outer chlorinated rings (phenyl or
thiophene) used for the ladderization step have a significant impact
on the conformation and electronic properties of the resulting polymers.
The thiophene-embedded CLP exhibits strong intermolecular interactions
and excimer-like emission due to a loose coil conformation while the
all-phenyl CLP exhibits a tightly packed coil conformation. The helical
CLPs also show good affinity toward HiPco carbon nanotubes (CNTs)
as stable dispersions were prepared.
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Daigle, Maxime; Morin, Jean-François (2017). Helical Conjugated Ladder Polymers: Tuning the Conformation
and Properties through Edge Design. ACS Publications. Collection. https://doi.org/10.1021/acs.macromol.7b01722
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