Superhydrophobic Hair-Like Nanowire Membrane for the Highly Efficient Separation of Oil/Water Mixtures

Figure 3

(a) XPS survey spectrum of SHM. High-resolution XPS spectra of (b) Cu 2p, (c) S 2p, and (d) C 1s in SHM.

(a)

(b)

(c)

(d)