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240418s2024 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202401451
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|a eng
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| 100 |
1 |
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|a Lin, Zihao
|e verfasserin
|4 aut
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| 245 |
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|a Self-Assembly for Creating Vertically-Aligned Graphene Micro Helices with Monolayer Graphene as Chiral Metamaterials
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|c 2024
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|a Text
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|a ƒaComputermedien
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|a Date Revised 04.07.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2024 The Authors. Advanced Materials published by Wiley‐VCH GmbH.
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|a Graphene's emergence enables creating chiral metamaterials in helical shapes for terahertz (THz) applications, overcoming material limitations. However, practical implementation remains theoretical due to fabrication challenges. This paper introduces a dual-component self-assembly technique that enables creating vertically-aligned continuous monolayer graphene helices at microscale with great flexibility and high controllability. This assembly process not only facilitates the creation of 3D microstructures, but also positions the 3D structures from a horizontal to a vertical orientation, achieving an aspect ratio (height/width) of ≈2700. As a result, an array of vertically-aligned graphene helices is formed, reaching up to 4 mm in height, which is equivalent to 4 million times the height of monolayer graphene. The benefit of these 3D chiral structures made from graphene is their capability to infinitely extend in height, interacting with light in ways that are not possible with traditional 2D layering methods. Such an impressive height elevates a level of interaction with light that far surpasses what is achievable with traditional 2D layering methods, resulting in a notable enhancement of optical chirality properties. This approach is applicable to various 2D materials, promising advancements in innovative research and diverse applications across fields
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|a Journal Article
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|a 3D
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|a graphene helix
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|a optical chirality
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|a self‐assembly
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|a vertically‐aligned
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|a Mikhael, Carol
|e verfasserin
|4 aut
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1 |
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|a Dai, Chunhui
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|a Cho, Jeong-Hyun
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 36(2024), 27 vom: 02. Juli, Seite e2401451
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|x 1521-4095
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|g volume:36
|g year:2024
|g number:27
|g day:02
|g month:07
|g pages:e2401451
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|u http://dx.doi.org/10.1002/adma.202401451
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