A vibrational study of the adsorption geometry and decomposition mechanisms of benzene on clean and carbide modified Mo(110) surfaces
Conference
·
OSTI ID:370201
- Columbia Univ., Columbia, NY (United States)
Recently, it has been shown that carbide-modified early transition metals show platinum group-type chemistry and thus may be used as relatively cheaper substitutes in commercial heterogeneous catalytic reactions. In the present studies, the adsorption of benzene on clean and carbide-modified Mo(110) surfaces has been studied using High-Resolution Electron Energy Loss Spectroscopy (HREELS) and Temperature Programmed Desorption (TPD). The HREEL spectra of benzene on the carbide-modified surfaces are qualitatively different from those resulting from benzene adsorption on platinum or nickel at similar temperatures. For both the clean and carbide-modified surfaces, the initial adsorption geometry has been determined, and the thermal decomposition mechanisms of benzene have been studied, with emphasis on identifying the intermediates formed during the decomposition reactions.
- OSTI ID:
- 370201
- Report Number(s):
- CONF-960376--
- Country of Publication:
- United States
- Language:
- English
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