Formation of Hierarchical Architectures with Dimensional and Morphological Control in the Self‐Assembly of Conjugated Block Copolymers

Wang, Meijing; Han, Liang; Zhu, Yulin; Qi, Rui; Tian, Leilei; He, Feng

doi:10.1002/smtd.201900470

Title: Formation of Hierarchical Architectures with Dimensional and Morphological Control in the Self‐Assembly of Conjugated Block Copolymers

Journal Article · Mon Nov 11 00:00:00 EST 2019 · Small Methods

DOI:https://doi.org/10.1002/smtd.201900470· OSTI ID:1573848

Wang, Meijing ^[1]; Han, Liang ^[1]; Zhu, Yulin ^[1]; Qi, Rui ^[1]; Tian, Leilei ^[2];

^[1]

Shenzhen Grubbs Institute and Department of Chemistry Southern University of Science and Technology Shenzhen 518055 China
Department of Materials Science and Engineering Southern University of Science and Technology Shenzhen 518055 China

Abstract Precise control of dimensionality and morphology is a crucial requirement for realizing complex and hierarchical assembled structures, which has mainly been studied in highly crystalline systems. However, such results have rarely been reported in the self‐assembly of conjugated block copolymers with relatively weak π–π interactions. Herein, the realization of unique scarf‐like self‐assembled architectures based on the conjugated block copolymers through a facile one‐step approach is reported. Dimensional and morphological control of the micelles are realized by adjusting the block ratio and the solvent polarity. Then the transformation from 1D nanorods to the final hierarchical scarf micelles is observed. Furthermore, the underlying growth mechanism is mainly attributed to the driving force of intermolecular π–π interactions between conjugated core blocks. This work provides a highly effective strategy to prepare hierarchical architectures circumventing those multistep methods used in traditional crystallization system, which could expand the morphological diversity of self‐assembly and further facilitate the exploration of its functional applications.

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Sponsoring Organization:: USDOE

OSTI ID:: 1573848

Journal Information:: Small Methods, Journal Name: Small Methods Vol. 4 Journal Issue: 2; ISSN 2366-9608

Publisher:: Wiley Blackwell (John Wiley & Sons)Copyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 9 works

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