Title of article :
S K-edge X-ray absorption fine structure study of vacuum-deposited dihexyldisulfide on Ag(1 0 0)
Author/Authors :
Kondoh، نويسنده , , H. and Tsukabayashi، نويسنده , , H. and Yokoyama، نويسنده , , T. Nakano-Ohta، نويسنده , , T.، نويسنده ,
Issue Information :
هفته نامه با شماره پیاپی سال 2001
Abstract :
Local structure around the sulfur atoms of vacuum-deposited dihexyldisulfide on Ag(1 0 0) was studied by use of S K-edge X-ray absorption fine structure (XAFS) spectroscopy. It turned out that the S–S bond of disulfide is cleaved on adsorption and hexanethiolate monolayers are formed on Ag(1 0 0). Surface XAFS analysis revealed that S of the thiolate is located on the fourfold hollow site of Ag(1 0 0) without reconstruction. The bond distances, R(S–Ag) and R(S–C) are determined to be 2.53±0.02 and 1.81±0.04 Å, respectively.
Keywords :
SELF-ASSEMBLY , silver , Near edge extended X-ray absorption fine structure (NEXAFS) , X-ray absorption spectroscopy , sulphides , Extended X-ray absorption fine structure (EXAFS)
Journal title :
Surface Science
Journal title :
Surface Science
