Abstract
Abstract Zero-kinetic-energy (ZEKE) photoelectron spectra of metalcarbide anions are presented, allowing a high resolution spectroscopic access to intermediates in catalytic reactions of hydrocarbons on metal surfaces. As a first compound, FeC2 (an intermediate of the iron/acetylene system) has been chosen. Important for successful ZEKE spectroscopy was a special anion source and the selection by time-of-flight mass spectrometry. In addition, conventional laser induced photo detachment photoelectron spectroscopy in combination with our anion source and mass analyzer delivered valuable new information.
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