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    Ethylene absorption on crystalline and amorphous water ice

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    File(s)
    HooperSpr07.pdf (1.495Mb)
    HooperSpr07.pptx (5.788Mb)
    Date
    2007-05-01
    Author
    Strobush, Kirsten M.
    Hooper, Matthew C.
    Advisor(s)
    Boulter, James E.
    Metadata
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    Abstract
    We present the results of laboratory investigations of ethylene absorption on amorphous and crystalline water ice films. Water films are grown on a cryostat-cooled, gold-plated copper mirror under high-vacuum at 60 K. They are subsequently annealed at temperatures ranging from 60 to 150 K and then an ethylene layer is deposited at 30 K. The interactions between ethylene and the water ice film change depending upon the thermal history of the water ice film and are characterized using TPD (thermal programmed desorption analysis). Adsorbed films are further characterized by their infrared spectra, which are collected using polarized FT-IRRAS (Fourier transform-infrared reflection absorption spectroscopy) in the spectral range 800-4800 cm-1. Absolute film thicknesses are also measured using a laser interferometric technique.
    Subject
    Ethylene--Absorption and adsorption
    Liquid crystal films
    Posters
    Permanent Link
    http://digital.library.wisc.edu/1793/23219
    Type
    Presentation
    Description
    Color poster with text, graphs and diagrams describing research conducted by Matthew C. Hooper and Kirsten M. Strobush advised by James Boulter.
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