Open Access
NPG Asia Materials, volume 10, issue 11, pages 1061-1068
Cholesteric liquid crystal paints: in situ photopolymerization of helicoidally stacked multilayer nanostructures for flexible broadband mirrors
2
US Air Force Research Laboratory, Wright-Patterson Air Force Base, Dayton, USA
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3
Department of Chemical and Biological Engineering, University of Colorado Boulder, Boulder, USA
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4
Department of Polymer-Nano Science and Technology, Chonbuk National University, Jeonbuk, Korea
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Publication type: Journal Article
Publication date: 2018-11-09
Journal:
NPG Asia Materials
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor: 9.7
ISSN: 18844049, 18844057
Condensed Matter Physics
General Materials Science
Modeling and Simulation
Abstract
Utilizing sequential layer-by-layer (LBL) coating and subsequent photopolymerization, we developed circular-polarizing and free-standing mirrors with a broad reflection bandwidth. Photopolymerizable cholesteric liquid crystal (CLC) paints were first prepared by considering the intrinsic chirality and the coating viscoelasticity. The polymer-stabilized nanostructures had finely tuned helical pitches that selectively reflected light over the entire visible wavelength range. The CLC films exhibited excellent thermomechanical properties and chemical stabilities, which enabled the preparation of patterned optical objects at macroscopic dimensions. The LBL coating and photopolymerization of the CLC paints demonstrated here can provide a simple solution for manufacturing flexible photonic devices with large areas at low cost. Helicoidally stacked polymer networks constructed by coating and curing the chirophotonic crystal paints has great potential to fabricate flexible mirrors with macroscopic dimensions and broad bandwidth. An innovative paint containing polymer-stabilized liquid crystals can be turned into bendable and highly reflective mirrors. The brilliant hues found on peacock feathers arise from structural coloration, a phenomenon where tiny microstructures deflect and modify light waves. Kwang-Un Jeong at Chonbuk National University in Jeonbuk, South Korea, and colleagues now report a technique to generate structural colors inside acrylic-based paints. By adding precise amounts of helical liquid crystals to the paint and curing it with ultraviolet light, ordered nanoscale regions appeared that generated either red, green, or blue colors. The paint could be lithographically fabricated into free-standing objects that have exceptional chemical and mechanical stability. Vertically stacking paint coatings with different colors onto a single substrate yielded silvery flexible mirrors that were able to reflect the entire visible light spectrum.
Citations by journals
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Langmuir
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Polymers
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1 publication, 2.08%
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1 publication, 2.08%
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Sensors and Actuators, B: Chemical
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1 publication, 2.08%
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1 publication, 2.08%
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Nanoscale
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1 publication, 2.08%
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Physical Chemistry Chemical Physics
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1 publication, 2.08%
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Optics Express
1 publication, 2.08%
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1 publication, 2.08%
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1 publication, 2.08%
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Journal of Molecular Structure
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1 publication, 2.08%
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Citations by publishers
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2
4
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12
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Wiley
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Wiley
12 publications, 25%
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Elsevier
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Elsevier
12 publications, 25%
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American Chemical Society (ACS)
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American Chemical Society (ACS)
10 publications, 20.83%
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Taylor & Francis
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Taylor & Francis
7 publications, 14.58%
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Multidisciplinary Digital Publishing Institute (MDPI)
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Multidisciplinary Digital Publishing Institute (MDPI)
2 publications, 4.17%
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Royal Society of Chemistry (RSC)
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Royal Society of Chemistry (RSC)
2 publications, 4.17%
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American Institute of Physics (AIP)
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American Institute of Physics (AIP)
1 publication, 2.08%
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Springer Nature
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Springer Nature
1 publication, 2.08%
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Optical Society of America
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Optical Society of America
1 publication, 2.08%
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4
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10
12
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- We do not take into account publications that without a DOI.
- Statistics recalculated only for publications connected to researchers, organizations and labs registered on the platform.
- Statistics recalculated weekly.
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Kim D. Y. et al. Cholesteric liquid crystal paints: in situ photopolymerization of helicoidally stacked multilayer nanostructures for flexible broadband mirrors // NPG Asia Materials. 2018. Vol. 10. No. 11. pp. 1061-1068.
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Kim D. Y., Lee K. M., White T. J., JEONG K. Cholesteric liquid crystal paints: in situ photopolymerization of helicoidally stacked multilayer nanostructures for flexible broadband mirrors // NPG Asia Materials. 2018. Vol. 10. No. 11. pp. 1061-1068.
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TY - JOUR
DO - 10.1038/s41427-018-0096-4
UR - https://doi.org/10.1038%2Fs41427-018-0096-4
TI - Cholesteric liquid crystal paints: in situ photopolymerization of helicoidally stacked multilayer nanostructures for flexible broadband mirrors
T2 - NPG Asia Materials
AU - Kim, Dae Yoon
AU - Lee, Kyung Min
AU - White, Timothy J.
AU - JEONG, KWANG-UN
PY - 2018
DA - 2018/11/09 00:00:00
PB - Springer Nature
SP - 1061-1068
IS - 11
VL - 10
SN - 1884-4049
SN - 1884-4057
ER -
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@article{2018_Kim,
author = {Dae Yoon Kim and Kyung Min Lee and Timothy J. White and KWANG-UN JEONG},
title = {Cholesteric liquid crystal paints: in situ photopolymerization of helicoidally stacked multilayer nanostructures for flexible broadband mirrors},
journal = {NPG Asia Materials},
year = {2018},
volume = {10},
publisher = {Springer Nature},
month = {nov},
url = {https://doi.org/10.1038%2Fs41427-018-0096-4},
number = {11},
pages = {1061--1068},
doi = {10.1038/s41427-018-0096-4}
}
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MLA
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Kim, Dae Yoon, et al. “Cholesteric liquid crystal paints: in situ photopolymerization of helicoidally stacked multilayer nanostructures for flexible broadband mirrors.” NPG Asia Materials, vol. 10, no. 11, Nov. 2018, pp. 1061-1068. https://doi.org/10.1038%2Fs41427-018-0096-4.