Adsorption and Polymerization of Thiophene on a Ag(111) Surface
- 1 November 1991
- journal article
- research article
- Published by Wiley in Berichte der Bunsengesellschaft für physikalische Chemie
- Vol. 95 (11) , 1488-1495
- https://doi.org/10.1002/bbpc.19910951134
Abstract
The adsorption and in‐situ polymerization of monothiophene on Ag(111) has been studied by X‐ray photoemission (XPS), programmed thermal desorption (TDP) and mass spectrometry. Thiophene is physisorbed on Ag(111) and desorbs entirely below 250 K. Three different desorption peaks representing multilayers and two different monolayer states can be distinguished by TPD. X‐ray irradiation leads to polymerization in multilayers which is accelerated by enhanced substrate temperatures, whereas the polymerization process is quenched at the Ag surface.Keywords
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