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Anticipating catalytic oxidation reactions on gold at high pressure (including liquid phase) from ultrahigh vacuum studies

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Abstract.
Evidence for the mechanistic link between low pressure studies and the high pressure, aqueous phase,
catalytic partial oxidation reactions of ethanol on gold is provided. The oxidation of ethanol on gold
(111) leads to the formation of ethyl acetate and acetic acid, as was also reported for this reaction
over supported gold catalysts in aqueous phase. This reaction follows a pattern previously observed in
ultrahigh vacuum on both silver and gold single crystals. The formation of both acetic acid and ethyl
acetate in solution can be anticipated from prior experiments on single-crystal surfaces in ultrahigh
vacuum, showing a strong parallel between the oxidation behavior of gold under these extremely
different conditions. This parallel suggests that other oxidation reactions on gold may be anticipated
from previous studies at low pressure and may serve as a guide for their prediction even in the liquid
phase.

Keywords:
Gold
Catalysis
Ethanol
Oxidation
Pressure gap
Ultrahigh vacuum
Surface
Solution

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Informasi Detail

Judul Seri

Journal of Catalysis

No. Panggil

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Penerbit

London : Elsevier Inc.., 2008

Deskripsi Fisik

Journal of Catalysis 258 (2008) 410–413

Bahasa

English

ISBN/ISSN

00219517

Klasifikasi

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Tipe Isi

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Tipe Media

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Tipe Pembawa

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Edisi

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Subjek

KIMIA

Info Detail Spesifik

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Pernyataan Tanggungjawab

agus

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