In Situ Supramolecular Polymerization of Micellar Nanoobjects Induced by Polymerization
- Nam Young AhnNam Young AhnDepartment of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of KoreaMore by Nam Young Ahn
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- Sangwoo KwonSangwoo KwonSchool of Chemical and Biological Engineering, Institute of Chemical Processes, Seoul National University, Seoul 08826, Republic of KoreaMore by Sangwoo Kwon
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- Suchan ChoSuchan ChoDepartment of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of KoreaMore by Suchan Cho
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- Chanhyuk KangChanhyuk KangSchool of Materials Science and Engineering, Gwangju Institute of Science and Technology (GIST), Gwangju 61005, Republic of KoreaMore by Chanhyuk Kang
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- Jiwon JeonJiwon JeonDepartment of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of KoreaMore by Jiwon Jeon
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- Won Bo LeeWon Bo LeeSchool of Chemical and Biological Engineering, Institute of Chemical Processes, Seoul National University, Seoul 08826, Republic of KoreaMore by Won Bo Lee
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- Eunji Lee*Eunji Lee*Email: [email protected]School of Materials Science and Engineering, Gwangju Institute of Science and Technology (GIST), Gwangju 61005, Republic of KoreaMore by Eunji Lee
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- YongJoo Kim*YongJoo Kim*Email: [email protected]School of Advanced Materials Engineering, Kookmin University, Seoul 02707, Republic of KoreaMore by YongJoo Kim
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- Myungeun Seo*Myungeun Seo*Email: [email protected]Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of KoreaKAIST Institute for Nanocentury, KAIST, Daejeon 34141, Republic of KoreaMore by Myungeun Seo
Abstract
Supramolecular polymerization offers a fascinating opportunity to develop dynamic soft materials by associating monomeric building blocks via noncovalent interactions. We report that polymerization can spontaneously drive the supramolecular polymerization of nanoscale micellar objects. We constructed the patchy micelles via two-step polymerization-induced self-assembly. A horizontal association between the patches results in a 1D supermicellar chain in situ by minimizing the enthalpic penalty of exposing the growing chains to solvent. Its length grows with increasing degree of polymerization, confirming that the supramolecular polymerization was triggered and controlled by polymerization. Our results highlight the observation that (1) the entire self-assembly process of forming, compartmentalizing, and associating the micelles can be driven by polymerization in a concerted manner and that (2) polymerization-induced self-assembly now can use compartmentalized nanoobjects as substrates beyond block copolymer chains. Polymerization-induced supramolecular polymerization could be useful for the autonomous preparation of hierarchical nanostructures.
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