Laser Ionization Studies of Gas Phase and Surface Adsorbed Molecules
Author(s) -
Jon T. Meek,
Saran Long,
Richard B. Opsal,
James P. Reilly
Publication year - 1983
Publication title -
laser chemistry
Language(s) - English
Resource type - Journals
eISSN - 1026-8014
pISSN - 0278-6273
DOI - 10.1155/lc.3.19
Subject(s) - chemistry , mass spectrum , photoionization , ionization , laser , mass spectrometry , ion , molecule , photochemistry , photoelectric effect , excimer laser , atmospheric pressure laser ionization , benzene , adsorption , kinetic energy , excimer , spectroscopy , analytical chemistry (journal) , toluene , phase (matter) , optics , materials science , organic chemistry , optoelectronics , physics , chromatography , quantum mechanics
Gas phase hydrocarbons are ionized using the output of UV excimer lasers and frequency doubled dye lasers. The ions generated are mass resolved and kinetic energy distributions of ejected photoelectrons are recorded. Information about the photochemistry and ion spectroscopy of benzaldehyde, benzene and toluene is derived. Molecules adsorbed to metal surfaces are also laser ionizable leading to distinctively sharp peaks in their laser induced time of flight mass spectra.
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