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. 2019 Dec 16;10:5401. doi: 10.1038/s41467-019-13349-1

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© The Author(s) 2019

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. 3 — Fusion orientation relationships in CQD molecules. Atomic structure model (a, d cadmium atoms—brown, sulfur atoms—blue.), HAADF-STEM images (b, e), and FFT patterns (c, f) of the homo-plane (a–c) and hetero-plane (d–f) attachment of coupled CQD molecules with orientation relationship of attachment on (10 $\bar{1}$ 0)||(10 $\bar{1}$ 0) and (0002)||(10 $\bar{1}$ 1), respectively. The HAADF-STEM (g, i) and atomic structure model (h, j) of homo-plane attachment on (0002) and (10 $\bar{1}$ 1) facets, respectively. Dashed orange arrows indicate the CQD fusion/molecular axis in plane of the image normal to projection ZA $[\bar{1} 2 \bar{1} 0]$ . Note that for (10 $\bar{1}$ 0)||(10 $\bar{1}$ 0) homo-plane attachment, the homonymous (10 $\bar{1}$ 0) faces of A1 and A2 are parallel (c), while for the hetero-plane attachment the heteronymous faces are parallel (0002)||(10 $\bar{1}$ 0) (e). k Distribution of observed homo- and hetero-plane attachment orientations on (10 $\bar{1}$ 0), (0002), and (10 $\bar{1}$ 1) faces. Here, the total amount of dimers for the statistic was 100. Inset shows the CQD model and faces.