Journal
MACROMOLECULAR RAPID COMMUNICATIONS
Volume 42, Issue 11, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/marc.202100064
Keywords
block copolymers; crystal growth; self‐ assembly; supramolecular chemistry
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Funding
- National Key Research and Development Program of China [2020YFA0710303]
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This study successfully prepared three-dimensional hexagonal and hexagram prisms with uniform dimensions by crystallizing TPP and a block copolymer, and explored their growth mechanism. The results indicate that crystalline TPP plays an important role in the self-assembly process, and the faceted morphologies of the prisms are infrequent in the field of soft materials.
The preparation of 3D functional isolated mesoscopic assemblies remains a challenge in the self-assembly of polymers. Here, well-defined 3D hexagonal and hexagram prisms with uniform dimensions are acquired by the crystallization of the inclusion complex composed of a crystalline molecule tris-o-phenylenedioxycyclotriphosphazene (TPP) and a block copolymer. The crystalline TPP plays an important role in the self-assembling process. The faceted morphologies of the hexagonal and hexagram prisms are infrequent in the self-assembly field of soft materials. The formation of the prisms experiences a 3D growth mechanism. The epitaxial growth, accompanied by the heterogeneous nucleation in the edges, yields the growth of inclusion crystals. This study provides a path to construct well-defined polymeric soft materials with broad utility based on numerous supramolecular complexes.
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