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. 2023 Feb 13;13(4):714. doi: 10.3390/nano13040714

Figure 6.

Figure 6

(a) XPS survey of oxMWCNTs, (b) XPS survey of oxMWCNTs_HT, (c) C1s photoelectron spectra of oxMWCNTs, (d) C1s photoelectron spectra of oxMWCNTs_HT.