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Issue 42, 2007

Kinetic explosion and bistability in adsorption and reaction of acetic acid on Pd(110)

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Abstract

The adsorption and reaction of acetic acid with Pd(110) have been studied using thermal molecular beam reaction measurements and temperature-programmed desorption. Acetic acid adsorption results in the formation of acetate species which decompose to produce coincident CO2 and H2 desorption from the surface. C is deposited on the surface from the dehydrogenation of the methyl group. In combination, these steps are found to exhibit unusual kinetics including (i) a “surface explosion” during heating and (ii) bistability in the reaction profile for heating and cooling curves. This is the first report of such behaviour for a complex system during in situ reaction.

Graphical abstract: Kinetic explosion and bistability in adsorption and reaction of acetic acid on Pd(110)

Article information


Submitted
20 Jun 2007
Accepted
03 Sep 2007
First published
13 Sep 2007

Phys. Chem. Chem. Phys., 2007,9, 5700-5703
Article type
Paper

Kinetic explosion and bistability in adsorption and reaction of acetic acid on Pd(110)

M. Bowker, C. Morgan and V. P. Zhdanov, Phys. Chem. Chem. Phys., 2007, 9, 5700 DOI: 10.1039/B709384E

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