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XPS
Thermo VG Scientific Theta Probe X-ray Photoelectron Spectroscopy (XPS) The 2-dimensional detector in the Thermo-VG Scientific XPS system will allow simultaneous collection of spectral data from all angles without tilting the sample.
Spatial resolution < 50 µm
Angle resolved XPS using 2-D multi-channel detector
Computer controlled automated analysis
Chemical state spatial mapping
| |
Peak assignments of high resolution C 1s XPS spectra of graphite PEM fuel cell supports.
a) Before treatment d) After treatment |
Functional groups
| C 1s Binding energy (eV)
| Assignment
|
C-C
| 284.6 | C-C bonding |
| I | 286.1 | C-O |
| II | 287.6 | C O |
| III | 288.4 | C-OO |
| IV | 290.6 | C-F |
| V | 292.8 | C-H-F |