Fig. 2: Microscopic analysis of Pd/Fe, Pd/Fe-C, and Pd-C/Fe-C. | Nature Communications

Fig. 2: Microscopic analysis of Pd/Fe, Pd/Fe-C, and Pd-C/Fe-C.

From: Tuning hydrogenation chemistry of Pd-based heterogeneous catalysts by introducing homogeneous-like ligands

Fig. 2: Microscopic analysis of Pd/Fe, Pd/Fe-C, and Pd-C/Fe-C.

a HRTEM images of samples, the left and right ones show the regions in white squares; b–d STEM images and EDS elemental mapping of Pd, C, Fe over 5Pd/Fe (b), 5Pd/Fe-C (c), and 5Pd-C/Fe-C (d), Brown: Pd, green: C, navy: Fe; e schematic illustration of carbon locations on Pd and Fe. All samples were pretreated with 10%H2/Ar at 250 °C for l h to simulate the catalysts after the hydrotreating reaction.

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