Abstract
From the polarization dependence of the NEXAFS (XANES) spectra, pyrrole is found to be normal on the Pt (111) surface. Conversely undoped poly 3 methylthiophene lies flat on the surface. Doped conducting or undoped semiconducting polymer exhibits change in the intensity of the (3b1 π*) antibonding band transition. In addition new empty states at lower energy are created. This is consistent with XPS and UPS spectroscopy.
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