Abstract

Photon stimulated ion desorption (PSID) and photodegradation studies have been performed in poly(3-methylthiophene) (PMeT) using synchrotron radiation at the sulphur 1s-, 2s- and 2p-edges as well as at the carbon 1s-edge. Both studies were performed at the Brazilian Synchrotron Light Source (LNLS), using the SXS and TGM beam lines, respectively. The PSID studies point out to selective bond breaking through measurements of the relative ion yields of S + e S 2+ . The photodegradation studies also show a preferential break of the C-S bond and loss of sulphur from the polymeric material

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