Polydopamine Induced Wettability Switching of Cellulose Nanofibers/n-Dodecanethiol Composite Aerogels

Figure 4

(a) Down to top: XPS survey spectrum of CNF, PDA@CNF, and DDT-PDA@CNF, (b) high resolution N 1 s spectrum of PDA@CNF, (c) high resolution S 2p spectrum of DDT-0.5PDA@CNF, and (d)–(f) high resolution C 1 s spectrum of CNF, 0.5PDA@CNF, and DDT-0.5PDA@CNF.

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