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X-ray photoelectron spectra of poly(3-hexylthiophene) (P3HT) films, metallized with vapor-deposited Cr, V and Ti, were used to study the nature of the metal-P3HT bonds formed with highly reactive metals. These metals cause similar changes in the S(2p) and C(1s) spectra. At coverages less than 3 , the spectral evidence indicates that metals react only with the sulfur atom of P3HT. At higher coverages,...
We have investigated the interactions of vapor-deposited Cu and Ni with poly(3-octyloxy-4-methylthiophene) (P3O4MT). Charge transfer processes between the atoms were analyzed using X-ray photoelectron spectroscopy (XPS). The interactions of P3O4MT with Cu and Ni were found to modify the structure of the conjugated polymer: strong S-metal and O-metal bonds were formed. At higher coverages, the two...
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