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Page 6 of 14 Liu et al. Chem Synth 2023;3:24 https://dx.doi.org/10.20517/cs.2023.13
Scheme 1. A scheme illustrating the synthesis routes of Pd@NH -NC.
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Figure 1. (a) TEM; (b) HR-TEM; (c) HAADF-STEM images; (d) particle size distributions histogram of Pd clusters; (e) HAADF-STEM
image and (f-h) corresponding EDS mapping images of Pd@NH -NC. EDS: energy dispersive X-ray spectroscopy; HAADF-STEM: high
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angle annular dark field scanning transmission electron microscopy; HR-TEM: high-resolution transmission electron microscopy; TEM:
Transmission electron microscopy.
(above), the Pd@C sample shows an initial water contact angle of 64.3º, and the water contact angles of
Pd@NC, Pd@NH -C, and Pd@NH -NC decrease to 35.0º, 43.6º, and 36.3º, respectively. These results
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illustrate that the nitrogen and amino functionalization of carbon supports is efficient for enhancing the
