Degradation of Pyromellitic Dianhydride during XPS Analysis
MAINE UNIV AT ORONO LAB FOR SURFACE SCIENCE AND TECHNOLOGY
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The degradation of Pyromellitic dianhydride PMDA under x-ray exposure has been studied by X-ray Photo-electron Spectroscopy XPS and Fourier Transform Infrared Absorption Reflection Spectroscopy FTIRAS. The data indicate cleavage of the anhydride rings and emission of CO and CO2 molecules into the vacuum.
- Metallurgy and Metallography
- Atomic and Molecular Physics and Spectroscopy