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Title: Electrostatics-Driven Hierarchical Buckling of Charged Flexible Ribbons

Abstract

In this work, we investigate the rich morphologies of an electrically charged flexible ribbon, which is a prototype for many beltlike structures in biology and nanomaterials. Long-range electrostatic repulsion is found to govern the hierarchical buckling of the ribbon from its initially flat shape to its undulated and out-of-plane twisted conformations. In this process, the screening length is the key controlling parameter, suggesting that a convenient way to manipulate the ribbon morphology is simply to change the salt concentration. We find that these shapes originate from the geometric effect of the electrostatic interaction, which fundamentally changes the metric over the ribbon surface. We also identify the basic modes by which the ribbon reshapes itself in order to lower the energy. Finally, the geometric effect of the physical interaction revealed in this Letter has implications for the shape design of extensive ribbonlike materials in nano- and biomaterials.

Authors:
 [1];  [2]
  1. Northwestern Univ., Evanston, IL (United States); Shanghai Jiao Tong Univ. (China)
  2. Northwestern Univ., Evanston, IL (United States)
Publication Date:
Research Org.:
Energy Frontier Research Centers (EFRC) (United States). Center for Bio-Inspired Energy Science (CBES)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
OSTI Identifier:
1371276
Alternate Identifier(s):
OSTI ID: 1245334
Grant/Contract Number:  
SC0000989
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review Letters
Additional Journal Information:
Journal Volume: 116; Journal Issue: 14; Related Information: CBES partners with Northwestern University (lead); Harvard University; New York University; Pennsylvania State University; University of Michigan; University of Pittsburgh; Journal ID: ISSN 0031-9007
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; 59 BASIC BIOLOGICAL SCIENCES; catalysis (homogeneous); solar (photovoltaic); bio-inspired; charge transport; mesostructured materials; materials and chemistry by design; synthesis (novel materials); synthesis (self-assembly)

Citation Formats

Yao, Zhenwei, and Olvera de la Cruz, Monica. Electrostatics-Driven Hierarchical Buckling of Charged Flexible Ribbons. United States: N. p., 2016. Web. doi:10.1103/PhysRevLett.116.148101.
Yao, Zhenwei, & Olvera de la Cruz, Monica. Electrostatics-Driven Hierarchical Buckling of Charged Flexible Ribbons. United States. doi:10.1103/PhysRevLett.116.148101.
Yao, Zhenwei, and Olvera de la Cruz, Monica. Mon . "Electrostatics-Driven Hierarchical Buckling of Charged Flexible Ribbons". United States. doi:10.1103/PhysRevLett.116.148101. https://www.osti.gov/servlets/purl/1371276.
@article{osti_1371276,
title = {Electrostatics-Driven Hierarchical Buckling of Charged Flexible Ribbons},
author = {Yao, Zhenwei and Olvera de la Cruz, Monica},
abstractNote = {In this work, we investigate the rich morphologies of an electrically charged flexible ribbon, which is a prototype for many beltlike structures in biology and nanomaterials. Long-range electrostatic repulsion is found to govern the hierarchical buckling of the ribbon from its initially flat shape to its undulated and out-of-plane twisted conformations. In this process, the screening length is the key controlling parameter, suggesting that a convenient way to manipulate the ribbon morphology is simply to change the salt concentration. We find that these shapes originate from the geometric effect of the electrostatic interaction, which fundamentally changes the metric over the ribbon surface. We also identify the basic modes by which the ribbon reshapes itself in order to lower the energy. Finally, the geometric effect of the physical interaction revealed in this Letter has implications for the shape design of extensive ribbonlike materials in nano- and biomaterials.},
doi = {10.1103/PhysRevLett.116.148101},
journal = {Physical Review Letters},
number = 14,
volume = 116,
place = {United States},
year = {2016},
month = {4}
}

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