Fig. 6From: Enhanced NH3-Sensitivity of Reduced Graphene Oxide Modified by Tetra-α-Iso-Pentyloxymetallophthalocyanine Derivatives a XPS analysis of (1) RGO, (2) NiPc/rGO, (3) CuPc/rGO, and (4) PbPc/rGO hybrids survey spectra; b Cu 2p XPS spectra of CuPc and CuPc/rGO hybrids, c Ni 2p XPS spectra of NiPc and NiPc/rGO hybrids, d Pb 4f XPS spectra of PbPc and PbPc/rGO hybrids; N 1s XPS spectra of NiPc/rGO (e), CuPc/rGO (f), and PbPc/rGO hybrids (g)Back to article page