Review Article

Spectroscopic Characterization of Poly(ortho-Aminophenol) Film Electrodes: A Review Article

Table 5

Vibrational bands in Raman spibrational bands in Raman spectrectra (  nm) for a POAP film in a 0.5 M H2SO4 solution [9].

Wavenumber/cm−1Description

1645C=N stretching of quinonimine units
1598C=C stretching of quinoid units
1522C=C stretching in the aromatic ring
1472C=N stretching of quinoid units
1402C–N+ stretching of radical semiquinone
1330C–N+ stretching
1170C–H bending in plane
982 and 1050Sulfate modes
578Ring deformation of benzenoid units