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STEM Tomography of Au Helical Assemblies

Published online by Cambridge University Press:  25 June 2021

Kamil Sobczak ,
Sylwia Turczyniak-Surdacka ,
Wiktor Lewandowski ,
Maciej Baginski ,
Martyna Tupikowska ,
Guillermo González-Rubio ,
Michał Wójcik ,
Anna Carlsson  and
Mikołaj Donten
Kamil Sobczak*
Affiliation:
Faculty of Chemistry, Biological and Chemical Research Centre, University of Warsaw, Żwirki i Wigury 101, 02-089 Warsaw, Poland
Sylwia Turczyniak-Surdacka
Affiliation:
Faculty of Chemistry, Biological and Chemical Research Centre, University of Warsaw, Żwirki i Wigury 101, 02-089 Warsaw, Poland
Wiktor Lewandowski
Affiliation:
Faculty of Chemistry, University of Warsaw, Pasteura 1, 02-093 Warsaw, Poland
Maciej Baginski
Affiliation:
Faculty of Chemistry, University of Warsaw, Pasteura 1, 02-093 Warsaw, Poland
Martyna Tupikowska
Affiliation:
Faculty of Chemistry, University of Warsaw, Pasteura 1, 02-093 Warsaw, Poland
Guillermo González-Rubio
Affiliation:
CIC biomaGUNE, Paseo de Miramón 182, Donostia-San Sebastián 20014, Spain
Michał Wójcik
Affiliation:
Faculty of Chemistry, University of Warsaw, Pasteura 1, 02-093 Warsaw, Poland
Anna Carlsson
Affiliation:
Thermo Fisher Scientific, Materials & Structural Analysis, Eindhoven, The Netherlands
Mikołaj Donten
Affiliation:
Faculty of Chemistry, University of Warsaw, Pasteura 1, 02-093 Warsaw, Poland
*
*Author for correspondence: Kamil Sobczak, E-mail: ksobczak@cnbc.uw.edu.pl
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Abstract

Composite, helical nanostructures formed using cooperative interactions of liquid crystals and Au nanoparticles were studied using a scanning transmission electron microscopy (STEM) mode. The investigated helical assemblies exhibit long-range hierarchical order across length scales, as a result of the crystallization (freezing) directed growth mechanism of nanoparticle-coated twisted nanoribbons and their ability to form organized bundles. Here, STEM methods were used to reproduce the 3D structure of the Au nanoparticle double helix.

Keywords

3D reconstructionhelical assembliesliquid crystalsnanoarchitectonics
Type
The XVIIth International Conference on Electron Microscopy (EM2020)
Information
Microscopy and Microanalysis , Volume 28 , Issue 3 , June 2022 , pp. 894 - 898
Copyright
Copyright © The Author(s), 2021. Published by Cambridge University Press on behalf of the Microscopy Society of America

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