Figure 2.

The X-ray photoelectron spectra of the N 1s for the polyaniline/gold nanocomposite. The peak A at binding energy of 399.4 eV corresponds to the benzenoid amine (–NH–). A higher binding energy peak (Peak B) centered at 401.2 eV is also found in Au–Polyaniline

Yang et al. Nanoscale Research Letters 2008 3:468-472   doi:10.1007/s11671-008-9182-9