Figure 4

XPS spectra analysis of BFCN. (A) Survey spectrum, inset: F1s, (B,C) bismuth (4d and 4f.), (D) C1s and (E) N1s spectrum.

XPS spectra analysis of BFCN. (A) Survey spectrum, inset: F1s, (B,C) bismuth (4d and 4f.), (D) C1s and (E) N1s spectrum.