Strip-Pattern-Spheres Self-Assembled from Polypeptide-Based Polymer Mixtures: Structure and Defect Features

Zhu, Xingyu; Guan, Zhou; Lin, Jiaping; Cai, Chunhua

doi:10.1038/srep29796

Cited by 16 publications

(10 citation statements)

References 61 publications

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“…studied the cooperative self‐assembly of a chiral rod‐coil BCP poly(γ‐benzyl‐L‐glutamate)‐ block ‐poly(ethylene glycol) (PBLG ‐b ‐PEG) and homopolymer PS into colloidal particles with striped patterns on their surfaces (strip‐pattern‐spheres). [ 65 ] Recently, the 3D soft confinement of chiral BCP polystyrene‐ block ‐poly( d ‐lactide) (PS ‐b ‐PDLA) was reported. [ 66 ] Although colloidal particles with patterned surfaces were obtained, this study mainly investigated the effect of a kinetic parameter, the solvent evaporation rate, on the morphology of colloidal particles, while the effect of chirality was not intensively studied.…”

Section: Discussionmentioning

confidence: 99%

Responsive Colloidal Polymer Particles with Ordered Mesostructures

Deng

et al. 2020

Adv Funct Materials

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Responsive colloidal polymer particles with well‐defined shapes and ordered internal mesostructures are attracting increasing attention because of their potential applications in sensors, catalysis, nano‐drug carriers, color pigments, and others. Recently, 3D confined assembly of block copolymers in emulsion droplets has emerged as a promising method for fabrication of colloidal polymer particles with controllable shapes and internal structures. In this paper, the recent advances in engineering anisotropically shaped and internally ordered colloidal polymer particles are summarized, followed by highlighting their stimuli‐responsiveness and emerging applications. In the last section, the current challenges and future opportunities in this fast growing research field are discussed.

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Section: Discussionmentioning

confidence: 99%

Responsive Colloidal Polymer Particles with Ordered Mesostructures

Deng

et al. 2020

Adv Funct Materials

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“…[100,104,105] Also, the same group demonstrated the co-assembly of PEG-b-PBLG/PEG-b-PBDG BCPs* with PS homopolymers into spherical assemblies with striped topologies. [106,107] It was found that chiral spiral patterns were obtainable from PEG-b-PBLG/PS and PEG-b-PBDG/PS, whereas an achiral meridian-like pattern was obtained from PEG-b-PBLG/PEG-b-PBDG/PS. These works highlighted the significance of the molecular and conformational chirality of BCPs* to the morphological chirality of assemblies, and enriched the formation of spiral assemblies.…”

Section: Self-assembly Of Bcps* In Selective Solventsmentioning

confidence: 99%

Chiral transfer‐dictated self‐assembly of chiral block copolymers

Xiong

et al. 2021

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Chiral structures not only exist in nature widely, they also emerge in artificial systems, attracting myriad attentions due to their excellent mechanical, optical, electrical, and magnetic properties. Self-assembly of chiral block copolymers (BCPs*), where at least one block consists of chiral centers, represents a facile strategy to form helical/spiral/network structures with a controlled chirality. Usually, morphological chirality of BCP* assemblies was closely associated with molecular and conformational chirality of the chiral block. Generally, chiral assemblies arose from molecular chirality of BCPs*, transferring up in the assembly process and dictated the chirality at a higher hierarchical level. In contrast, notwithstanding similar assemblies could be observed from achiral BCPs under certain conditions, both left-and right-handed ones were usually observed simultaneously without a preference. Moreover, unique feature of BCPs* to access to controllable chiral assemblies affords an opportunity to prepare advanced functional materials. Herein, we dedicated a review on assembly of BCPs* into chiral assemblies in bulk/films, selective solvents, and confined spaces. The chiral transfer process in these assembly scenarios were discussed and highlighted as a key contributor to morphological chirality. Functionalities and representative applications of BCP* assemblies were also described, followed by present challenges and future prospects of BCP* self-assembly.

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“…For an ordered dot surface nanopattern, the dot array characteristics are an essential aspect that should be discussed. [37,38] For spherical particles on a flat substrate, it is well known that the ideal packing mode is a sixfold coordinated lattice, i.e., the particles take the form of domain with six nearest neighbors. [39] However, in practice, due to the imperfect shape of spherical particles, the patterns usually contain other array modes, typically fivefold coordinated lattices that are characterized by +1 disclinations and sevenfold coordinated lattices that are characterized by −1 disclinations.…”

Section: Introductionmentioning

confidence: 99%

Dot Nanopattern Self‐Assembled from Rod‐Coil Block Copolymer on Substrate

Sun

Tang

et al. 2020

Macro Chemistry & Physics

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Nanoscale dot patterns are important in various fields. However, it is still a challenge to fabricate ordered nanopatterns on substrates through a polymer self‐assembly approach. In this work, it is reported that polypeptide‐based rod‐coil block copolymers can self‐assemble into surface micelles on substrates, thus forming dot nanopatterns. The size of the surface micelles is readily adjusted by the degree of the polymerization of the block copolymers. It is found that most of the surface micelles are in a sixfold coordinated lattice, indicating an ordered array feature. Defects such as fivefold coordination arrays and sevenfold coordination arrays are also observed, which are derived from the nonuniform size of the micelles and the existence of nonspherical micelles. The experimental findings are well modelled by dissipative particle dynamics theoretical simulations, and the simulations provide more detailed information, such as the packing manner of the polymer chain in the surface micelles.

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Strip-Pattern-Spheres Self-Assembled from Polypeptide-Based Polymer Mixtures: Structure and Defect Features

Cited by 16 publications

References 61 publications

Responsive Colloidal Polymer Particles with Ordered Mesostructures

Responsive Colloidal Polymer Particles with Ordered Mesostructures

Chiral transfer‐dictated self‐assembly of chiral block copolymers

Dot Nanopattern Self‐Assembled from Rod‐Coil Block Copolymer on Substrate

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