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. 2024 May 23;10(11):e31144. doi: 10.1016/j.heliyon.2024.e31144

Figure 7.

Figure 7

XPS spectra from (a) Zc(s), (b) ZcDl-3(s) of the oxygen peak (O1s) and for the ZcDl-3(s) of the (c) zinc peak (Zn 2p3/2) and the (d) carbon peak (C1s).