Abstract
A new aromatic ladder polymer with a polyacene skeleton shows an unexpectedly high flexibility of its double-stranded backbone.
Highlights
In this report we describe the synthesis of the new graphene nanoribbons (GNRs)-type ladder polymer PAL comprising a polyacene skeleton together with an in-depth analysis of its optical properties, especially by time-resolved photoluminescence (PL) spectroscopy and PL investigations on the single-chain level
The results were further compared to the properties of the wellstudied methyl-substituted poly(para-phenylene), MeLPPP, as prototypical rigid-rod conjugated ladder polymer.[12,20]
This study reports synthesis and photophysical characterization of a new ladder polymer PAL (P2) comprising a polyacene skeleton, with the optical properties set in comparison to the extensively studied MeLPPP ladder polymer
Summary
In this report we describe the synthesis of the new GNR-type ladder polymer PAL comprising a polyacene skeleton together with an in-depth analysis of its optical properties, especially by time-resolved photoluminescence (PL) spectroscopy and PL investigations on the single-chain level. Time-resolved PL experiments were conducted for MeLPPP and PAL polymers in solvents of different viscosity, as a function of temperature.
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