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Spectroscopy and Photoreactions of Organometallic Molecules on Surfaces

  • C. J. Chen (a1) and R. M. Osgood (a1)

Abstract

A study of the UV photochemistry of organometallic molecules in the vapor and adsorbed phases is discussed. The gas-phase spectra is interpreted on the basis of molecular orbital theory and experimental data. The absorption spectra of the surface adlayers are determined by computer subtraction of the gas-phase spectra and an intepretation is provided. The influence of metalsubstrate microstructure on UV photochemical reactions of metal alkyls is briefly discussed.

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1. Ehrlich, D.J., Osgood, R.M. Jr., and Deutsch, T.F., IEEE Journal of Quantum Electronics, 16 1233 (1980).
2. Herzberg, G., Molecular Spectra and Molecular Structure III. Electronic Spectra and Electronic Structure of Polyatomic Molecules, D. Van Nostrand, (1966).
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8. See, for example, Young, D.M. and Crowell, A.D., Physical Adsorption of Gases, Butterworths, (1962).
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10. For a preliminary account see paper Phys. 96, C.J. Chen and R.M. Osgood, Jr., 184th Annual American Chemical Society Meeting, Kansas City, MO.

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