Crystallization-driven self-assembly of poly(3-hexylthiophene)-b-poly(2,5-bis(2-ethylhexyloxy)p-phenylene), a π-conjugated diblock copolymer with a rigid rod corona-forming block

Vespa, Marcus; MacFarlane, Liam R.; Hudson, Zachary M.; Manners, Ian

doi:10.1039/d4py00154k

Polym. Chem.

2024

DOI: 10.1039/d4py00154k

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Crystallization-driven self-assembly of poly(3-hexylthiophene)-b-poly(2,5-bis(2-ethylhexyloxy)p-phenylene), a π-conjugated diblock copolymer with a rigid rod corona-forming block

Marcus Vespa,

Liam R. MacFarlane,

Zachary M. Hudson

et al.

Abstract: Crystallization-driven self-assembly is used to form nanofibers several microns in length using diblock copolymers with rigid polythiophene and polyphenylene blocks.

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Cited by 2 publications

References 76 publications

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Conjugated core–shell bottlebrush polymers that exhibit crystallization-driven self-assembly

Lotocki,

Battaglia,

Moon

et al. 2025

Chem. Sci.

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Conjugated core–shell bottlebrush polymers that exhibit crystallization-driven self-assembly

Lotocki,

Battaglia,

Moon

et al. 2025

Chem. Sci.

View full text Add to dashboard Cite

show abstract

Morphology Control and Spectral Study of the 2D and Hierarchical Nanostructures Self-Assembled by the Chiral Alanine-Decorated Perylene Bisimides

Qi,

Huang,

Yang

et al. 2024

Molecules

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Tailoring the morphologies and optical properties of the 2D and hierarchical nanostructures self-assembled by the π-conjugated molecules is both interesting and challenging. Herein, a series of 2D ribbon-like nanostructures with single or multiple H-aggregated perylene bisimides (PBI) monolayer and hierarchical nanostructures (including straw-like, dumbbell-shaped, and rod-like nanostructures) are fabricated by solution self-assembly of three chiral alanine-decorated PBI. The influence of the solvent’s dissolving capacity, the chirality of alanine, and the preparation methods on the morphologies and optical properties of the nanostructures were extensively studied. It was observed that the hierarchical nanostructures are formed by the reorganization of the 2D ribbon-like nanostructures. The size of the 2D ribbon-like nanostructures and the amount of the hierarchical nanostructures increase with the decrease in the solvent’s dissolving capacity. The small chiral alanine moiety is unable to induce chirality in the nanostructures, owing to its low steric hindrance and the dominant strong π-π stacking interaction of the PBI skeleton. A weaker π-π stacking interaction and better H-aggregated arrangement of the PBI skeleton could reduce the low-wavelength fluorescence intensity. The process of heating, cooling, and aging promotes the formation of H-aggregation in the PBI skeleton. The region of spectral overlap of the PBI solutions increases with the decrease in the dissolving capacity of the solvent and the steric hindrance of the chiral alanine. This study supplies a view to tailor the morphologies and optical properties of the nanostructures, which could be used as sensors and photocatalysts.

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Crystallization-driven self-assembly of poly(3-hexylthiophene)-b-poly(2,5-bis(2-ethylhexyloxy)p-phenylene), a π-conjugated diblock copolymer with a rigid rod corona-forming block

Abstract: Crystallization-driven self-assembly is used to form nanofibers several microns in length using diblock copolymers with rigid polythiophene and polyphenylene blocks.

Cited by 2 publications

References 76 publications

Conjugated core–shell bottlebrush polymers that exhibit crystallization-driven self-assembly

Conjugated core–shell bottlebrush polymers that exhibit crystallization-driven self-assembly

Morphology Control and Spectral Study of the 2D and Hierarchical Nanostructures Self-Assembled by the Chiral Alanine-Decorated Perylene Bisimides

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