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231225s2019 xx |||||o 00| ||eng c |
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|a 10.1002/adma.201901364
|2 doi
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|a pubmed24n0992.xml
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|a (DE-627)NLM297660497
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|a (NLM)31148269
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Wang, Pengfei
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Magnetic Plasmon Networks Programmed by Molecular Self-Assembly
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|c 2019
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Revised 01.10.2020
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2019 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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|a Nanoscale manipulation of magnetic fields has been a long-term pursuit in plasmonics and metamaterials, as it can enable a range of appealing optical properties, such as high-sensitivity circular dichroism, directional scattering, and low-refractive-index materials. Inspired by the natural magnetism of aromatic molecules, the cyclic ring cluster of plasmonic nanoparticles (NPs) has been suggested as a promising architecture with induced unnatural magnetism, especially at visible frequencies. However, it remains challenging to assemble plasmonic NPs into complex networks exhibiting strong visible magnetism. Here, a DNA-origami-based strategy is introduced to realize molecular self-assembly of NPs forming complex magnetic architectures, exhibiting emergent properties including anti-ferromagnetism, purely magnetic-based Fano resonances, and magnetic surface plasmon polaritons. The basic building block, a gold NP (AuNP) ring consisting of six AuNP seeds, is arranged on a DNA origami frame with nanometer precision. The subsequent hierarchical assembly of the AuNP rings leads to the formation of higher-order networks of clusters and polymeric chains. Strong emergent plasmonic properties are induced by in situ growth of silver upon the AuNP seeds. This work may facilitate the development of a tunable and scalable DNA-based strategy for the assembly of optical magnetic circuitry, as well as plasmonic metamaterials with high fidelity
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| 650 |
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|a Journal Article
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4 |
|a DNA nanotechnology
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| 650 |
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4 |
|a artificial magnetism
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| 650 |
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4 |
|a colloids
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| 650 |
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4 |
|a plasmonics
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| 650 |
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4 |
|a self-assembly
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| 700 |
1 |
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|a Huh, Ji-Hyeok
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lee, Jaewon
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kim, Kwangjin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Park, Kyung Jin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lee, Seungwoo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ke, Yonggang
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 31(2019), 29 vom: 15. Juli, Seite e1901364
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
1 |
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|g volume:31
|g year:2019
|g number:29
|g day:15
|g month:07
|g pages:e1901364
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| 856 |
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|u http://dx.doi.org/10.1002/adma.201901364
|3 Volltext
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|d 31
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