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All-optical reconfigurable chiral meta-molecules.

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Title: All-optical reconfigurable chiral meta-molecules.
Authors: Lin, Linhan1 (AUTHOR) linlh04@utexas.edu, Lepeshov, Sergey1 (AUTHOR), Krasnok, Alex1 (AUTHOR), Jiang, Taizhi1 (AUTHOR), Peng, Xiaolei1 (AUTHOR), Korgel, Brian A.1 (AUTHOR), Alù, Andrea1 (AUTHOR), Zheng, Yuebing1 (AUTHOR) zheng@austin.utexas.edu
Source: Materials Today. May2019, Vol. 25, p10-20. 11p.
Subjects: Chirality, Amino acids, Biomolecules, Physics, Chirality of nuclear particles, Chemistry
Abstract: Chirality is a ubiquitous phenomenon in the natural world. Many biomolecules without inversion symmetry, such as amino acids and sugars, are chiral molecules. Measuring and controlling molecular chirality at a high precision down to the atomic scale that are highly desired in physics, chemistry, biology, and medicine, however, have remained challenging. Herein, we achieve all-optical reconfigurable chiral meta-molecules experimentally using metallic and dielectric colloidal particles as artificial atoms or building blocks to serve at least two purposes. One is that the on-demand meta-molecules with strongly enhanced optical chirality are well-suited as substrates for surface-enhanced chiroptical spectroscopy of chiral molecules and as active components in optofluidic and nanophotonic devices. The other is that the bottom-up-assembled colloidal meta-molecules provide microscopic models to better understand the origin of chirality in the actual atomic and molecular systems. [ABSTRACT FROM AUTHOR]
Copyright of Materials Today is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
FullText Text:
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DbLabel: Engineering Source
An: 136419171
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Data: All-optical reconfigurable chiral meta-molecules.
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  Data: <searchLink fieldCode="AR" term="%22Lin%2C+Linhan%22">Lin, Linhan</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> linlh04@utexas.edu</i><br /><searchLink fieldCode="AR" term="%22Lepeshov%2C+Sergey%22">Lepeshov, Sergey</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Krasnok%2C+Alex%22">Krasnok, Alex</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Jiang%2C+Taizhi%22">Jiang, Taizhi</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Peng%2C+Xiaolei%22">Peng, Xiaolei</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Korgel%2C+Brian+A%2E%22">Korgel, Brian A.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Alù%2C+Andrea%22">Alù, Andrea</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zheng%2C+Yuebing%22">Zheng, Yuebing</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> zheng@austin.utexas.edu</i>
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  Data: <searchLink fieldCode="JN" term="%22Materials+Today%22">Materials Today</searchLink>. May2019, Vol. 25, p10-20. 11p.
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  Data: <searchLink fieldCode="DE" term="%22Chirality%22">Chirality</searchLink><br /><searchLink fieldCode="DE" term="%22Amino+acids%22">Amino acids</searchLink><br /><searchLink fieldCode="DE" term="%22Biomolecules%22">Biomolecules</searchLink><br /><searchLink fieldCode="DE" term="%22Physics%22">Physics</searchLink><br /><searchLink fieldCode="DE" term="%22Chirality+of+nuclear+particles%22">Chirality of nuclear particles</searchLink><br /><searchLink fieldCode="DE" term="%22Chemistry%22">Chemistry</searchLink>
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  Data: Chirality is a ubiquitous phenomenon in the natural world. Many biomolecules without inversion symmetry, such as amino acids and sugars, are chiral molecules. Measuring and controlling molecular chirality at a high precision down to the atomic scale that are highly desired in physics, chemistry, biology, and medicine, however, have remained challenging. Herein, we achieve all-optical reconfigurable chiral meta-molecules experimentally using metallic and dielectric colloidal particles as artificial atoms or building blocks to serve at least two purposes. One is that the on-demand meta-molecules with strongly enhanced optical chirality are well-suited as substrates for surface-enhanced chiroptical spectroscopy of chiral molecules and as active components in optofluidic and nanophotonic devices. The other is that the bottom-up-assembled colloidal meta-molecules provide microscopic models to better understand the origin of chirality in the actual atomic and molecular systems. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Materials Today is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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              Text: May2019
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