Controlled Self-Assembly of Cyclophane Amphiphiles: From 1D Nanofibers to Ultrathin 2D Topological Structures

Zhengxu Cai; Lianwei Li; Wai Yip Lo; Donglin Zhao; Qinghe Wu; Na Zhang; Yu An Su; Wei Chen; Luping Yu

doi:10.1021/acs.macromol.6b00860

Controlled Self-Assembly of Cyclophane Amphiphiles: From 1D Nanofibers to Ultrathin 2D Topological Structures

Zhengxu Cai, Lianwei Li, Wai Yip Lo, Donglin Zhao, Qinghe Wu, Na Zhang, Yu An Su, Wei Chen^*, Luping Yu

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

10 Citations (Scopus)

Abstract

A novel series of amphiphilic TC-PEG molecules were designed and synthesized based on the orthogonal cyclophane unit. These molecules were able to self-assemble from 1D nanofibers and nanobelts to 2D ultrathin nanosheets (3 nm thick) in a controlled way by tuning the length of PEG side-chains. The special structure of the cyclophane moiety allowed control in construction of nanostructures through programmed noncovalent interactions (hydrophobic-hydrophilic interaction and π-π interaction). The self-assembled nanostructures were characterized by combining real space imaging (TEM, SEM, and AFM) and reciprocal space scattering (GIWAXS) techniques. This unique supramolecular system may provide a new strategy for the design of materials with tunable nanomorphology and functionality.

Original language	English
Pages (from-to)	5172-5178
Number of pages	7
Journal	Macromolecules
Volume	49
Issue number	14
DOIs	https://doi.org/10.1021/acs.macromol.6b00860
Publication status	Published - 26 Jul 2016
Externally published	Yes

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Cai, Z., Li, L., Lo, W. Y., Zhao, D., Wu, Q., Zhang, N., Su, Y. A., Chen, W., & Yu, L. (2016). Controlled Self-Assembly of Cyclophane Amphiphiles: From 1D Nanofibers to Ultrathin 2D Topological Structures. Macromolecules, 49(14), 5172-5178. https://doi.org/10.1021/acs.macromol.6b00860

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abstract = "A novel series of amphiphilic TC-PEG molecules were designed and synthesized based on the orthogonal cyclophane unit. These molecules were able to self-assemble from 1D nanofibers and nanobelts to 2D ultrathin nanosheets (3 nm thick) in a controlled way by tuning the length of PEG side-chains. The special structure of the cyclophane moiety allowed control in construction of nanostructures through programmed noncovalent interactions (hydrophobic-hydrophilic interaction and π-π interaction). The self-assembled nanostructures were characterized by combining real space imaging (TEM, SEM, and AFM) and reciprocal space scattering (GIWAXS) techniques. This unique supramolecular system may provide a new strategy for the design of materials with tunable nanomorphology and functionality.",

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AU - Zhao, Donglin

AU - Wu, Qinghe

AU - Zhang, Na

AU - Su, Yu An

AU - Chen, Wei

AU - Yu, Luping

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Controlled Self-Assembly of Cyclophane Amphiphiles: From 1D Nanofibers to Ultrathin 2D Topological Structures

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