Fig 4.
XPS images of bare and cellulose-modified Pd/Fe NPs: (a) full-range XPS spectra, (b) C1s of bare-Pd/Fe NPs, (c) C1s of PAC-Pd/Fe NPs, (d) Fe 2p spectra. Fe loading is 0.4 g L-1 with Pd 0.3 wt% of Fe, cellulose is 1 g L-1.
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