Figure 6

XPS analysis of HRG-Pd and HRG-Py-Pd (a) Comparative survey scan of HRD-Pd and HRG-Py-Pd (b) Comparative high resolution XPS analysis of O 1s spectrum for palladium nanoparticles (c) High resolution XPS analysis of Pd 3d spectrum for palladium nanoparticles (d) High resolution XPS analysis of C 1s spectrum for HRG-Py-Pd composites.