AI Article Synopsis
- Using small-angle neutron scattering, we studied the conformation of poly(3-alkylthiophene) in deuterated dichlorobenzene, focusing on how side chain arrangements affect the backbone.
- We found that introducing branch points in the side chain can enhance chain flexibility due to steric interactions that encourage torsional movement between backbone units.
- Our results emphasize the importance of topological isomerism in influencing chain rigidity and provide insights into improving the electronic properties of conducting polymers through side chain modifications.
Article Abstract
Using small-angle neutron scattering, we conducted a detailed conformational study of poly(3-alkylthiophene) solutions in deuterated dichlorobenzene. The focus was placed on addressing the influence of the spatial arrangement of side chain constituents on backbone conformation. We demonstrate that by introducing a branch point in the side chain, side chain steric interactions may promote torsional motion between backbone units, resulting in greater chain flexibility. Our findings highlight the key role of topological isomerism in determining the chain rigidity and throw new light on the debate about the effective approaches for optimizing the electronic properties of conducting polymers via side chain engineering.
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| http://dx.doi.org/10.1039/c8cp07520d | DOI Listing |
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