Figure 3

(A) TEM image of bismuth fluoride nanoparticles (inset: magnified image of a nanoparticle). (B) TEM image of bismuth fluoride nanoparticles in association with CN network (inset: bismuth fluoride particles located at the edge of the CN film and also within the layers of the films). (C) FTIR spectra of CN (a) and BFCN (b).