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. 2023 Mar 29;14:1745. doi: 10.1038/s41467-023-37333-y

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© The Author(s) 2023

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. 4 — a Scheme depicting the process. Each colored ball represents a distinct metal ion or atom. b AFM images of the binary nanoparticle (CoPd, PdPt, PtAg) fabricated on two sides of a triangular DNA origami template. Second line shows tomography images of nanoparticles areas above the origami surface. Color scales of AFM images: from −4.0 to 4.0 nm. Color scales of cross-section images: from 2.0 to 3.0 nm. c–e HAADF-STEM images and EDS elemental mapping of each binary nanopattern on template: CoPd, PdPt, and PtAg. f–h Atomic percentage distributions for each element at different positions on a binary nanoparticle: CoPd (the average composition is Co (24.6 ± 4.0%), Pd (75.4 ± 4.0%)), PdPt (the average composition is Pd (48.0 ± 1.3%), Pt (52.0 ± 1.3%)), and PtAg (the average composition is Pt (63.9 ± 15.3%), Ag (36.1 ± 15.3%)). Scale bars: 100 nm. Source data are provided as a Source Data file.