Uniform two-dimensional square assemblies from conjugated block copolymers driven by π–π interactions with controllable sizes
Abstract
Two-dimensional (2-D) micro- and nano- architectures are attractive because of their unique properties caused by their ultrathin and flat morphologies. However, the formation of 2-D supramolecular highly symmetrical structures with considerable control is still a major challenge. Here, we presented a simple approach for the preparation of regular and homogeneous 2-D fluorescent square noncrystallization micelles with conjugated diblock copolymers PPV12-b-P2VPn through a process of dissolving-cooling-aging. The scale of the formed micelles could be controlled by the ratio of PPV/P2VP blocks and the concentration of the solution. The forming process of the platelet square micelles was analyzed by UV-Vis, DLS and SLS, while the molecular arrangement was characterized by GIXD. The results revealed that the micelles of PPV12-b-P2VPn initially form 1-D structures and then grow into 2-D structures in solution, and the growth is driven by intermolecular π-π interactions with the PPV12 blocks. The formation of 2-D square micelles is induced by herringbone arrangement of the molecules, which is closely related to the presence of the branched alkyl chains attached to conjugated PPV12 cores.
- Authors:
-
[3];
[1]
- Southern Univ. of Science and Technology, Shenzhen (China). Dept. of Chemistry
- Jilin Univ., Changchun (China). State Key Lab. of Supramolecular Structure and Materials, Inst. of Theoretical Chemistry
- Argonne National Lab. (ANL), Argonne, IL (United States). Materials Science Division; Univ. of Chicago, IL (United States). Inst. of Molecular Engineering
- Publication Date:
- Research Org.:
- Argonne National Laboratory (ANL), Argonne, IL (United States)
- Sponsoring Org.:
- National Natural Science Foundation of China (NSFC); USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22). Materials Sciences & Engineering Division
- OSTI Identifier:
- 1426240
- Grant/Contract Number:
- AC02-06CH11357
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Nature Communications
- Additional Journal Information:
- Journal Volume: 9; Journal Issue: 1; Journal ID: ISSN 2041-1723
- Publisher:
- Nature Publishing Group
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE
Citation Formats
Han, Liang, Wang, Meijing, Jia, Xiangmeng, Chen, Wei, Qian, Hujun, and He, Feng. Uniform two-dimensional square assemblies from conjugated block copolymers driven by π–π interactions with controllable sizes. United States: N. p., 2018.
Web. doi:10.1038/s41467-018-03195-y.
Han, Liang, Wang, Meijing, Jia, Xiangmeng, Chen, Wei, Qian, Hujun, & He, Feng. Uniform two-dimensional square assemblies from conjugated block copolymers driven by π–π interactions with controllable sizes. United States. https://doi.org/10.1038/s41467-018-03195-y
Han, Liang, Wang, Meijing, Jia, Xiangmeng, Chen, Wei, Qian, Hujun, and He, Feng. Wed .
"Uniform two-dimensional square assemblies from conjugated block copolymers driven by π–π interactions with controllable sizes". United States. https://doi.org/10.1038/s41467-018-03195-y. https://www.osti.gov/servlets/purl/1426240.
@article{osti_1426240,
title = {Uniform two-dimensional square assemblies from conjugated block copolymers driven by π–π interactions with controllable sizes},
author = {Han, Liang and Wang, Meijing and Jia, Xiangmeng and Chen, Wei and Qian, Hujun and He, Feng},
abstractNote = {Two-dimensional (2-D) micro- and nano- architectures are attractive because of their unique properties caused by their ultrathin and flat morphologies. However, the formation of 2-D supramolecular highly symmetrical structures with considerable control is still a major challenge. Here, we presented a simple approach for the preparation of regular and homogeneous 2-D fluorescent square noncrystallization micelles with conjugated diblock copolymers PPV12-b-P2VPn through a process of dissolving-cooling-aging. The scale of the formed micelles could be controlled by the ratio of PPV/P2VP blocks and the concentration of the solution. The forming process of the platelet square micelles was analyzed by UV-Vis, DLS and SLS, while the molecular arrangement was characterized by GIXD. The results revealed that the micelles of PPV12-b-P2VPn initially form 1-D structures and then grow into 2-D structures in solution, and the growth is driven by intermolecular π-π interactions with the PPV12 blocks. The formation of 2-D square micelles is induced by herringbone arrangement of the molecules, which is closely related to the presence of the branched alkyl chains attached to conjugated PPV12 cores.},
doi = {10.1038/s41467-018-03195-y},
journal = {Nature Communications},
number = 1,
volume = 9,
place = {United States},
year = {Wed Feb 28 00:00:00 EST 2018},
month = {Wed Feb 28 00:00:00 EST 2018}
}
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