fig3

Figure 3. (a) XPS survey spectra; (b) high-resolution XPS C 1s spectra; (c) N 1s spectra; (d) Pd 3d spectra of Pd@NH2-NC, Pd@NH2-C, Pd@NC, and Pd@C. XPS: X-ray Photoelectron Spectroscopy.
Figure 3. (a) XPS survey spectra; (b) high-resolution XPS C 1s spectra; (c) N 1s spectra; (d) Pd 3d spectra of Pd@NH2-NC, Pd@NH2-C, Pd@NC, and Pd@C. XPS: X-ray Photoelectron Spectroscopy.
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