Studies of oxygen-assisted coupling of methanol on single crystal gold reveal the catalytic cycle for ester formation.  These results also predict the selectivity observed under catalytic conditions over nanoporous gold at 1 atm and 100-150 C. In order to study the kinetics and mechanism of the reaction on the npAu catalytic material further, fast, metered pressure pulses of methanol were passed over a small amount of the catalyst at 100-150 C at prescribed oxygen coverages and the transient responses of the products determined.  The relationship between these kinetic studies and the mechanistic determinations from the modes studies will be discussed.

Using fast pressure transients to relate mechanistic studies in ultrahigh vacuum to catalytic reactors: Selective oxidation of methanol on nanoporous gold

255th National Meeting (2018)

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