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. 2018 Sep 25;9:3908. doi: 10.1038/s41467-018-06400-0

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© The Author(s) 2018

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 6 — Freeze-fracture transmission electron microscopy images of induced N*-LC droplets. a Schematic depiction of the freeze-fracture method to prepare the TEM specimen. b A representative voxel of the droplet showing the multi-domain structure via the embedded GNRs. c, d FF-TEM images of the induced N*-LC phase of Felix-2900–03 containing 0.5 wt.% GNR2 (scale bars: c 200 nm and d 1 μm, apparent circles are from the TEM grids). To obtain these images, it was important that the replica captured most of the GNRs on the fractured surface, thereby providing a direct visualization of the GNRs in the bulk material. Areas highlighted by a yellow box and e–h select areas from many of the obtained FF-TEM images show GNR arrays (often twisted) with an average separation close to the calculated D_P–P values (scale bars in e–h: 100 nm)