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. 2020 Jul 1;6(27):eabb3831. doi: 10.1126/sciadv.abb3831

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Copyright © 2020 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works. Distributed under a Creative Commons Attribution NonCommercial License 4.0 (CC BY-NC).

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Fig. 1 — (A) Bright-field TEM image; (B) HRTEM image; (C) HAADF-STEM image. HAADF-TEM-EDS mapping images of the Pd₃Au₁/CNT catalyst: (D) Au; (E) Pd; (F) crossline profiles of elemental composition for the Pd-Au NP. (G) XRD patterns of the Au/CNT, Pd/CNT, and Pd₃Au₁/CNT catalysts. XPS of (H) Au 4f spectra of the Au/CNT and Pd₃Au₁/CNT catalysts and (I) Pd 3d spectra of the Pd/CNT and Pd₃Au₁/CNT catalysts.