Vibrational fine structure in the C 1s photoemission spectrum of the methoxy species chemisorbed on Cu(100)

• The C 1s photoemission spectrum of methoxy (CH3O) chemisorbed on Cu(100) is demonstrated to contain a resolvable fine structure due to excitation of the molecular C-H normal vibrational mode. The origin of the fine structure is ascertained by substituting hydrogen with deuterium in the methoxy overlayers and by comparison to gas-phase C 1s spectra for methanol (CH3OH). The vibrational fine structure is demonstrated to provide a fingerprint of the hydrocarbon group present on the surface.

Ämnesord

NATURVETENSKAP  -- Fysik (hsv//swe)

NATURAL SCIENCES  -- Physical Sciences (hsv//eng)

Nyckelord

Alcohols

Chemisorption

Copper

Low index single crystal surfaces

Methoxy

Soft X-ray photoelectron spectroscopy

Synchrotron radiation photoelectron spectroscopy

Vibrations of adsorbed molecules

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art (ämneskategori)

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