Adsorption of SO2 on Cu(100) and Cu(100)-c(2 × 2)-O surfaces studied with photoelectron spectroscopy

✍ Scribed by H Lu; E Janin; ME Dávila; CM Pradier; M Göthelid

• Publisher: Elsevier Science
• Year: 1998
• Tongue: English
• Weight: 479 KB
• Volume: 49
• Category: Article
• ISSN: 0042-207X
• DOI: 10.1016/s0042-207x(97)00173-5

✦ Synopsis

The adsorption of SO, on clean Cu(700) and Cu(700)-c(2x 2)-O surfaces at room temperature has been studied using high resolution core-level photoelectron spectroscopy.

On both surfaces, two types of atomic S and two types of SO, are found as shown by their well separated S 2p binding energies. On the Cuf 700)-c(2x 2)-0 surface, pre-adsorbed oxygen inhibits the SO, decomposition and accelerates the SO, reaction with the substrate which benefits SO, formation.