Enhanced optical asymmetry in supramolecular chiroplasmonic assemblies with long-range order-Reference-Cited by-同舟云学术

Enhanced optical asymmetry in supramolecular chiroplasmonic assemblies with long-range order

Published:2021-03-26 Issue:6536 Volume:371 Page:1368-1374
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Lu Jun¹²³^ORCID,Xue Yao¹^ORCID,Bernardino Kalil⁴^ORCID,Zhang Ning-Ning¹^ORCID,Gomes Weverson R.⁵^ORCID,Ramesar Naomi S.³⁶^ORCID,Liu Shuhan⁷,Hu Zheng⁷,Sun Tianmeng⁷^ORCID,de Moura Andre Farias⁵^ORCID,Kotov Nicholas A.²³⁶^ORCID,Liu Kun¹⁸⁹^ORCID

Affiliation:

1. State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun, China.

2. Department of Chemical Engineering, University of Michigan, Ann Arbor, MI 48109, USA.

3. Biointerfaces Institute, University of Michigan, Ann Arbor, MI 48109, USA.

4. Institute of Chemistry, University of São Paulo, 05508-000, São Paulo, SP, Brazil.

5. Department of Chemistry, Federal University of São Carlos, 13565-905, São Carlos, SP, Brazil.

6. Department of Materials Science and Engineering, University of Michigan, Ann Arbor, MI 48109, USA.

7. Key Laboratory of Organ Regeneration and Transplantation of Ministry of Education, Institute of Immunology, The First Hospital, Jilin University, Changchun, China.

8. Optical Functional Theranostics Joint Laboratory of Medicine and Chemistry, The First Hospital, Jilin University, Changchun, China.

9. Chiral Nanomaterials Research Center, International Center of Future Science, Jilin University, Changchun, China.

Abstract

Nanorod alignment for optical asymmetry The high polarizability of chiral nanoassemblies of plasmonic nanoparticles can lead to strong chiral dichroism, but strong light scattering causes the fraction of polarized photons generated, as measured by g-factors, to be much lower than that for chiral liquid crystals. Lu et al. used supramolecular interactions of gold nanorods with human islet amyloid peptides to assemble metallic superstructures with unusually high cholesteric order (see the Perspective by Nam and Kim). The long, straight helices increased the g-factor by 4600-fold, and this effect was used to screen small-molecule binding to amyloids. Science , this issue p. 1368 ; see also p. 1311

Funder

Vannewar Bush DoD Fellowship

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference85 articles.

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5. Chiral plasmonics

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