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. 2020 Jun 16;11:3008. doi: 10.1038/s41467-020-16726-3

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© The Author(s) 2020

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 — ¹¹⁹Sn NMR spectra of a SnI₄, and b SnI₄ with SnF₂ in DMSO-d₆, before (top) and after (bottom) adding 1 equivalent of TM-DHP. c Photos of the SnF₂ solution before (left) and after (right) the addition of TM-DHP and d TEM image of the formed Sn nanoparticles. The scale bar is 20 nm.