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  Single-component quasicrystalline nanocrystal superlattices through flexible polygon tiling rule

Nagaoka, Y., Zhu, H., Eggert, D., & Chen, O. (2018). Single-component quasicrystalline nanocrystal superlattices through flexible polygon tiling rule. Science, 362(6421), 1396-1400. doi:10.1126/science.aav0790.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0002-B8DF-4 Version Permalink: http://hdl.handle.net/21.11116/0000-0006-D387-3
Genre: Journal Article

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https://dx.doi.org/10.1126/science.aav0790 (Publisher version)
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 Creators:
Nagaoka, Y.1, Author
Zhu, H.1, Author
Eggert, D.2, 3, Author              
Chen, O.1, Author
Affiliations:
1Department of Chemistry, Brown University, Providence, ou_persistent22              
2Miller Group, Atomically Resolved Dynamics Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society, ou_1938288              
3Heinrich Pette Institute–Leibniz Institute for Experimental Virology, Hamburg, ou_persistent22              

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 Abstract: Quasicrystalline superlattices (QC-SLs) generated from single-component colloidal building blocks have been predicted by computer simulations but are challenging to reproduce experimentally. We discovered that 10-fold QC-SLs could self-organize from truncated tetrahedral quantum dots with anisotropic patchiness. Transmission electron microscopy and tomography measurements allow structural reconstruction of the QC-SL from the nanoscale packing to the atomic-scale orientation alignments. The unique QC order leads to a tiling concept, the “flexible polygon tiling rule,” that replicates the experimental observations. The keys for the single-component QC-SL formation were identified to be the anisotropic shape and patchiness of the building blocks and the assembly microscopic environment. Our discovery may spur the creation of various superstructures using anisotropic objects through an enthalpy-driven route.

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Language(s): eng - English
 Dates: 2018-08-152018-10-242018-12-212018-12-21
 Publication Status: Published in print
 Pages: 5
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 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1126/science.aav0790
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Title: Science
  Other : Science
Source Genre: Journal
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Publ. Info: Washington, D.C. : American Association for the Advancement of Science
Pages: - Volume / Issue: 362 (6421) Sequence Number: - Start / End Page: 1396 - 1400 Identifier: ISSN: 0036-8075
CoNE: https://pure.mpg.de/cone/journals/resource/991042748276600_1