Figure 2

(a) XPS survey spectra of GF and TEPA-GF. Deconvoluted XPS C1s spectra of (b) GO, (c) GF, (d) TEPA-GF-1-1, TEPA-GF-3-1 and (f) TEPA-GF-5-1.
(a) XPS survey spectra of GF and TEPA-GF. Deconvoluted XPS C1s spectra of (b) GO, (c) GF, (d) TEPA-GF-1-1, TEPA-GF-3-1 and (f) TEPA-GF-5-1.